C – Chess Openings by Name
| Opening Name | Chess Notation | MICOS Code | MICOS CAP |
|---|---|---|---|
| Calabrese Counter-Gambit | 1.e4 e5 2.Bc4 f5 | C01.023.BS | Explore ▶ |
| Calabrese Counter-Gambit: Jaenisch Attack | 1.e4 e5 2.Bc4 f5 3.d3 | C01.024.BS | Explore ▶ |
| Calm King's Gambit Reversed | 1.e4 e5 2.d3 f5 | C00.015.KP | Explore ▶ |
| Calm Radisch Gambit | 1.e4 e5 2.d3 Nf6 3.f4 Bc5 | C00.016.KP | Explore ▶ |
| Campomanes Attack | 1.e4 c6 2.d4 d5 3.Nc3 Nf6 | B02.082.CK | Explore ▶ |
| Canal Attack | 1.e4 c5 2.Nf3 d6 3.Bb5+ | B01.124.SI | Explore ▶ |
| Canal Attack: 3…Bd7 | 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 | B01.125.SI | Explore ▶ |
| Canal Attack: Dorfman Gambit | 1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Qe2 g6 6.e5 | B01.129.SI | Explore ▶ |
| Canal Attack: Haag Gambit | 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.d4 | B01.126.SI | Explore ▶ |
| Canal Attack: Moscow Gambit | 1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.c3 a6 6.Bxc6 Bxc6 7.Re1 Nf6 8.d4 Bxe4 9.Bg5 | B01.128.SI | Explore ▶ |
| Canal Attack: Sokolsky Attack | 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 | B01.127.SI | Explore ▶ |
| Capablanca Attack | 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nbd2 | D01.161.QD | Explore ▶ |
| Capablanca Defence | 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 h6 | D01.160.QD | Explore ▶ |
| Carlson Gambit | 1.e4 e6 2.d4 d5 3.Nf3 dxe4 4.Ne5 | B05.176.FR | Explore ▶ |
| Caro-Kann Defence | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 | B01.287.SI | Explore ▶ |
| Caro-Kann Defence | 1.e4 c6 | B02.001.CK | Explore ▶ |
| Caro-Kann Defence: 2.d4 | 1.e4 c6 2.d4 | B02.017.CK | Explore ▶ |
| Caro-Kann Defence: 2.Nc3 | 1.e4 c6 2.Nc3 | B02.094.CK | Explore ▶ |
| Caro-Kann Defence: 2.Nc3 d5 | 1.e4 c6 2.Nc3 d5 | B02.095.CK | Explore ▶ |
| Caro-Kann Defence: 2…d5 | 1.e4 c6 2.d4 d5 | B02.018.CK | Explore ▶ |
| Caro-Kann Defence: 3…dxe4 | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 | B02.054.CK | Explore ▶ |
| Caro-Kann Defence: 4.Nxe4 | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 | B02.057.CK | Explore ▶ |
| Caro-Kann Defence: Gipslis Defence | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 g6 | B01.291.SI | Explore ▶ |
| Caro-Kann Defence: Knight Attack | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 | B01.296.SI | Explore ▶ |
| Caro-Kann Defence: Maroczy Bind: Bronstein Defence | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd3 Nc6 | B01.294.SI | Explore ▶ |
| Caro-Kann Defence: Maroczy Bind: Bronstein Defence: 8.Bc2 | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 Nf6 6.Nc3 Bb4 7.Bd3 Nc6 8.Bc2 | B01.295.SI | Explore ▶ |
| Caro-Kann Defence: Maroczy Bind: Hedgehog Defence | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 g6 | B01.293.SI | Explore ▶ |
| Caro-Kann Defence: Maroczy Bind: Reti Defence | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.c4 | B01.292.SI | Explore ▶ |
| Caro-Kann Defence: Modern Attack | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 | B01.288.SI | Explore ▶ |
| Caro-Kann Defence: Polugaevsky | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 | B01.289.SI | Explore ▶ |
| Caro-Kann Defence: Swiss Cheese Defence | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6 | B01.290.SI | Explore ▶ |
| Caro-Kann Defence: Wing Attack | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 | B01.297.SI | Explore ▶ |
| Caro-Kann Defence: Wing Attack: Christiansen's Dream | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Qb6 7.Be3 Bc5 8.Qg4 | B01.298.SI | Explore ▶ |
| Caro-Kann Defence: Wing Attack: Fianchetto | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.g3 | B01.300.SI | Explore ▶ |
| Caro-Kann Defence: Wing Attack: Spraggett Attack | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Qb6 7.Nf3 | B01.299.SI | Explore ▶ |
| Caro-Kann Defensive System: 4…g6 | 1.c4 c6 2.Nf3 d5 3.g3 Nf6 4.Bg2 g6 | A02.039.EN | Explore ▶ |
| Caro-Kann Gambit | 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 Bd7 | C13.005.PO | Explore ▶ |
| Carr Defence | 1.e4 h6 | B00.029.IK | Explore ▶ |
| Carr Defence: Zilbermints Gambit | 1.e4 h6 2.d4 e5 | B00.030.IK | Explore ▶ |
| Carrera Gambit | 1.e4 e5 2.f4 exf4 3.Qh5 | C04.144.KA | Explore ▶ |
| Catalan Opening | 1.d4 Nf6 2.c4 e6 3.g3 | E11.001.CA | Explore ▶ |
| Catalan Opening: 3…d5 | 1.d4 Nf6 2.c4 e6 3.g3 d5 | E11.006.CA | Explore ▶ |
| Center Counter: Larsen Attack | 1.e4 d5 2.b3 | B03.002.SC | Explore ▶ |
| Center Game | 1.e4 e5 2.d4 | C00.017.KP | Explore ▶ |
| Center Game | 1.e4 e5 2.d4 exd4 | C02.001.CG | Explore ▶ |
| Center Game: 3.Qxd4 | 1.e4 e5 2.d4 exd4 3.Qxd4 | C02.021.CG | Explore ▶ |
| Central Benoni | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.d5 Qa5+ | B06.009.RO | Explore ▶ |
| Central Benoni: Anhanguera | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nc3 d6 5.Be3 Qa5 | B06.010.RO | Explore ▶ |
| Central Benoni: Quetzalcoatlus | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.d5 d6 5.Nc3 Qa5 | B06.008.RO | Explore ▶ |
| Central Benoni: Quetzalcoatlus Gambit | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nc3 d6 5.dxc5 Qa5 | B06.011.RO | Explore ▶ |
| Central Storming Attack | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bxa6 7.f4 | E07.015.BG | Explore ▶ |
| Central Storming Attack: 5…Bxa6 | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.f4 | E07.011.BG | Explore ▶ |
| Chameleon Advance System | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 a6 5.c5 | D03.033.SL | Explore ▶ |
| Chameleon Attack | 1.e4 c5 2.d3 | B01.031.SI | Explore ▶ |
| Chameleon Attack: 2.Ne2 | 1.e4 c5 2.Ne2 | B01.097.SI | Explore ▶ |
| Chameleon Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 a6 | D03.032.SL | Explore ▶ |
| Chandler Gambit | 1.d4 d5 2.Nf3 c5 3.g3 cxd4 4.Bg2 | D00.046.QP | Explore ▶ |
| Charousek Defence | 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qe3 Bb4+ 5.c3 Be7 | C02.025.CG | Explore ▶ |
| Charousek Petrosian Defence | 1.d4 d5 2.c4 e6 3.Nc3 Be7 | D01.031.QD | Explore ▶ |
| Charousek Petrosian Miladinovic Gambit | 1.d4 d5 2.c4 e6 3.Nc3 Be7 4.e4 dxe4 5.f3 | D01.032.QD | Explore ▶ |
| Check Defence: 6.Bd2 | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 | C14.046.SG | Explore ▶ |
| Chekhover Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 | B01.271.SI | Explore ▶ |
| Chekhover Attack: Zaitsev Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Qd7 | B01.272.SI | Explore ▶ |
| Chigorin Attack | 1.e4 e6 2.Qe2 | B05.195.FR | Explore ▶ |
| Chigorin Attack | 1.d4 d5 2.c4 Nc6 3.Nc3 | D01.170.QD | Explore ▶ |
| Chigorin Defence | 1.d4 d5 2.Nf3 Nc6 | D00.048.QP | Explore ▶ |
| Chigorin Defence | 1.d4 d5 2.c4 Nc6 | D01.167.QD | Explore ▶ |
| Chigorin Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bd6 | D06.016.SE | Explore ▶ |
| Chigorin Defence: 10.Qc2 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Bd6 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Nbd7 9.O-O O-O 10.Qc2 | D06.012.SE | Explore ▶ |
| Chigorin Defence: 11.Qc2 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Bd6 9.O-O Bb7 10.a3 O-O 11.Qc2 | D06.037.SE | Explore ▶ |
| Chigorin Defence: 3…Bg4 | 1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 | D01.175.QD | Explore ▶ |
| Chigorin Defence: 3…dxc4 | 1.d4 d5 2.c4 Nc6 3.Nc3 dxc4 | D01.171.QD | Explore ▶ |
| Chigorin Defence: 7.Qc2 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bd6 7.Qc2 | D06.017.SE | Explore ▶ |
| Chigorin Defence: Alekhine Attack | 1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 4.Qa4 | D01.176.QD | Explore ▶ |
| Chigorin Defence: Exchange Defence | 1.d4 d5 2.c4 Nc6 3.cxd5 Qxd5 | D01.168.QD | Explore ▶ |
| Chigorin Defence: Exchange Defence - Costa's Attack | 1.d4 d5 2.c4 Nc6 3.cxd5 Qxd5 4.e3 e5 5.Nc3 Bb4 6.Bd2 Bxc3 7.Bxc3 exd4 8.Ne2 | D01.169.QD | Explore ▶ |
| Chigorin Defence: Janowski Attack | 1.d4 d5 2.c4 Nc6 3.Nc3 dxc4 4.Nf3 | D01.172.QD | Explore ▶ |
| Chigorin Defence: Lazard Gambit | 1.d4 d5 2.c4 Nc6 3.Nf3 e5 | D01.177.QD | Explore ▶ |
| Chigorin Defence: Modern Gambit | 1.d4 d5 2.c4 Nc6 3.Nc3 Nf6 4.Nf3 dxc4 | D01.174.QD | Explore ▶ |
| Chigorin Defence: Tartakower Gambit | 1.d4 d5 2.c4 Nc6 3.Nc3 e5 | D01.173.QD | Explore ▶ |
| Chigorin Fianchetto Defence | 1.d4 g6 2.Nf3 Bg7 3.Nc3 d5 | E04.023.MO | Explore ▶ |
| Chinese Attack | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.g4 | B04.013.PI | Explore ▶ |
| Classical Anti-Sozin Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6 | B01.241.SI | Explore ▶ |
| Classical Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 | C17.026.RU | Explore ▶ |
| Classical Attack | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 | E08.009.MB | Explore ▶ |
| Classical Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 | E12.088.NI | Explore ▶ |
| Classical Attack: 10.a4 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 | E08.013.MB | Explore ▶ |
| Classical Attack: 6.Be2 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 | B01.243.SI | Explore ▶ |
| Classical Attack: 8.Be2 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 | E08.010.MB | Explore ▶ |
| Classical Attack: 9.O-O | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O | E08.012.MB | Explore ▶ |
| Classical Attack: Argentine Counter-Attack | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4 | E08.014.MB | Explore ▶ |
| Classical Attack: Averbakh-Grivas Attack | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5 | E08.019.MB | Explore ▶ |
| Classical Attack: Belyavsky Gambit | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 Qxd5 6.Nf3 Qf5 7.Qd1 e5 | E12.102.NI | Explore ▶ |
| Classical Attack: Berger Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 Bg4 9.c3 f5 10.Nbd2 | C17.039.RU | Explore ▶ |
| Classical Attack: Berlin Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 | E12.091.NI | Explore ▶ |
| Classical Attack: Berlin Defence - Macieja System | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.a3 Bxc5 7.Nf3 b6 8.Bf4 | E12.093.NI | Explore ▶ |
| Classical Attack: Berlin Defence - Pirc Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O | E12.092.NI | Explore ▶ |
| Classical Attack: Berlin Defence - Steiner Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 Bxc3+ | E12.094.NI | Explore ▶ |
| Classical Attack: Boleslavsky Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 | B01.245.SI | Explore ▶ |
| Classical Attack: Boleslavsky Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 | B01.244.SI | Explore ▶ |
| Classical Attack: Boleslavsky Defence - Dragon Transfer Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 Nxd4 7.Qxd4 g6 | B01.247.SI | Explore ▶ |
| Classical Attack: Boleslavsky Defence - Louma Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nxc6 | B01.246.SI | Explore ▶ |
| Classical Attack: Chigorin Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 | C17.036.RU | Explore ▶ |
| Classical Attack: Chigorin Attack - Browne Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.c4 Nb4 9.cxd5 | C17.035.RU | Explore ▶ |
| Classical Attack: Chigorin Attack: 9.Be2 | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.c4 Nb4 9.Be2 | C17.034.RU | Explore ▶ |
| Classical Attack: Classical Defence: 8…O-O | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O | E08.011.MB | Explore ▶ |
| Classical Attack: Closed Defence | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Nf6 | C17.041.RU | Explore ▶ |
| Classical Attack: Czerniak Defence | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 | E08.015.MB | Explore ▶ |
| Classical Attack: Czerniak Defence Tal Attack | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 | E08.016.MB | Explore ▶ |
| Classical Attack: Czerniak Defence Tal Attack: 11.f3 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f3 | E08.018.MB | Explore ▶ |
| Classical Attack: Czerniak Defence: 10...Na6 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 | E08.017.MB | Explore ▶ |
| Classical Attack: Jaenisch Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.c4 | C17.033.RU | Explore ▶ |
| Classical Attack: Keres Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 b6 | E12.090.NI | Explore ▶ |
| Classical Attack: Krause Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 Bg4 9.c3 f5 10.c4 | C17.037.RU | Explore ▶ |
| Classical Attack: Maroczy Defence | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 Bg4 9.c3 f5 10.c4 Bh4 | C17.038.RU | Explore ▶ |
| Classical Attack: Marshall Defence | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 | C17.027.RU | Explore ▶ |
| Classical Attack: Marshall Defence - Chinese Gambit | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 c6 9.Re1 Bg4 | C17.031.RU | Explore ▶ |
| Classical Attack: Marshall Trap | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 Bg4 9.cxd5 f5 10.Re1 Bxh2+ | C17.029.RU | Explore ▶ |
| Classical Attack: Mason Defence | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O O-O | C17.032.RU | Explore ▶ |
| Classical Attack: Mason Showalter Defence | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 | C17.040.RU | Explore ▶ |
| Classical Attack: Milner-Barry Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 | E12.104.NI | Explore ▶ |
| Classical Attack: New York Attack | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.h3 | E08.020.MB | Explore ▶ |
| Classical Attack: Noa Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 | E12.096.NI | Explore ▶ |
| Classical Attack: Noa Attack: 7.Qc2 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 | E12.099.NI | Explore ▶ |
| Classical Attack: Noa Botvinnik Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Nc6 | E12.097.NI | Explore ▶ |
| Classical Attack: Noa Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 | E12.095.NI | Explore ▶ |
| Classical Attack: Noa Defence: 5…exd5 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.cxd5 exd5 | E12.101.NI | Explore ▶ |
| Classical Attack: Noa Defence: 6…Ne4 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 | E12.098.NI | Explore ▶ |
| Classical Attack: Noa San Remo Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d5 5.a3 Bxc3+ 6.Qxc3 Ne4 7.Qc2 Nc6 8.e3 e5 | E12.100.NI | Explore ▶ |
| Classical Attack: Old Zurich Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.a3 | E12.105.NI | Explore ▶ |
| Classical Attack: Staunton Defence | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 c6 | C17.030.RU | Explore ▶ |
| Classical Attack: Tarrasch Defence | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.O-O O-O 8.c4 Bg4 | C17.028.RU | Explore ▶ |
| Classical Attack: Vitolinsh Adorjan Gambit | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 O-O 5.a3 Bxc3+ 6.Qxc3 b5 | E12.089.NI | Explore ▶ |
| Classical Attack: Zurich Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 | E12.103.NI | Explore ▶ |
| Classical Blackburne Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Qd2 | C14.030.SG | Explore ▶ |
| Classical Defence | 1.b3 d5 | A01.005.LA | Explore ▶ |
| Classical Defence | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 | B02.058.CK | Explore ▶ |
| Classical Defence | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 | B04.012.PI | Explore ▶ |
| Classical Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 | B05.104.FR | Explore ▶ |
| Classical Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 | B05.121.FR | Explore ▶ |
| Classical Defence | 1.e4 Nf6 2.e5 Nd5 | B09.005.AL | Explore ▶ |
| Classical Defence | 1.e4 e5 2.f4 Bc5 | C03.002.KD | Explore ▶ |
| Classical Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 | C08.172.RL | Explore ▶ |
| Classical Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 | C14.026.SG | Explore ▶ |
| Classical Defence | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 | D02.032.QA | Explore ▶ |
| Classical Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O | D05.014.TA | Explore ▶ |
| Classical Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 | E03.016.DU | Explore ▶ |
| Classical Defence: 11…Re8 | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 | D05.021.TA | Explore ▶ |
| Classical Defence: 2.Nf3 | 1.b3 d5 2.Nf3 | A01.007.LA | Explore ▶ |
| Classical Defence: 4...d5 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 d5 5.Nf3 | E03.033.DU | Explore ▶ |
| Classical Defence: 4.c3 | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 | C03.004.KD | Explore ▶ |
| Classical Defence: 5…O-O | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O | E03.018.DU | Explore ▶ |
| Classical Defence: 6.h4 | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 | B02.060.CK | Explore ▶ |
| Classical Defence: 6…a6 | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 | D02.034.QA | Explore ▶ |
| Classical Defence: 6…Qxe7 | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 | B05.125.FR | Explore ▶ |
| Classical Defence: 7...Nd7 | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 | B02.061.CK | Explore ▶ |
| Classical Defence: 7...O-O | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 Bxf6 7.Nf3 O-O | B05.141.FR | Explore ▶ |
| Classical Defence: Advance Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 c4 | D05.019.TA | Explore ▶ |
| Classical Defence: Alapin Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Nb5 | B05.129.FR | Explore ▶ |
| Classical Defence: Alekhine Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O Ne4 | E03.031.DU | Explore ▶ |
| Classical Defence: Alekhine System | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 | D02.038.QA | Explore ▶ |
| Classical Defence: Alekhine System - Smyslov Defence | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 9.Rd1 Nbd7 10.Nc3 Bd6 | D02.041.QA | Explore ▶ |
| Classical Defence: Alekhine System Defence: 7…b5 | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 | D02.039.QA | Explore ▶ |
| Classical Defence: Alekhine System: 8…Bb7 | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 | D02.040.QA | Explore ▶ |
| Classical Defence: Alekhine-Chatard Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 | B05.132.FR | Explore ▶ |
| Classical Defence: Alekhine-Chatard Attack - Albin-Chatard Gambit | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 Bxg5 7.hxg5 Qxg5 | B05.135.FR | Explore ▶ |
| Classical Defence: Alekhine-Chatard Attack - Breyer Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 c5 | B05.136.FR | Explore ▶ |
| Classical Defence: Alekhine-Chatard Attack - Maroczy Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6 | B05.134.FR | Explore ▶ |
| Classical Defence: Alekhine-Chatard Attack - Spielmann Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 O-O | B05.133.FR | Explore ▶ |
| Classical Defence: Alekhine-Chatard Attack - Teichmann Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 f6 | B05.137.FR | Explore ▶ |
| Classical Defence: Benelux Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Nf6 5.O-O O-O 6.d4 Bb6 | C08.181.RL | Explore ▶ |
| Classical Defence: Blackburne Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nh3 | E03.032.DU | Explore ▶ |
| Classical Defence: Boden Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Qe7 | C08.182.RL | Explore ▶ |
| Classical Defence: Bogoljubow Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 Be6 10.Rc1 c4 | D05.018.TA | Explore ▶ |
| Classical Defence: Botvinnik Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 O-O 6.e3 | E03.017.DU | Explore ▶ |
| Classical Defence: Buenos Aires Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 a5 | E03.025.DU | Explore ▶ |
| Classical Defence: Burn Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 | B05.140.FR | Explore ▶ |
| Classical Defence: Burn Attack - Morozevich Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Be7 6.Bxf6 gxf6 | B05.142.FR | Explore ▶ |
| Classical Defence: Carlsbad Attack | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 | D05.015.TA | Explore ▶ |
| Classical Defence: Central Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 | C08.177.RL | Explore ▶ |
| Classical Defence: Chandler Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Rc1 Be6 | D05.022.TA | Explore ▶ |
| Classical Defence: Charousek Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 Bb6 | C08.178.RL | Explore ▶ |
| Classical Defence: Cordel Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 f5 | C08.180.RL | Explore ▶ |
| Classical Defence: Counter Fianchetto | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 Nc6 8.dxc5 | D02.043.QA | Explore ▶ |
| Classical Defence: Delayed Exchange | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5 | B05.150.FR | Explore ▶ |
| Classical Defence: Endgame | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 Be6 | D05.016.TA | Explore ▶ |
| Classical Defence: Euwe Attack | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 Bg4 5.fxe5 dxe5 6.Qa4+ | C03.005.KD | Explore ▶ |
| Classical Defence: Fianchetto Development | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 | E03.013.DU | Explore ▶ |
| Classical Defence: Flohr Attack | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Nh3 | B02.066.CK | Explore ▶ |
| Classical Defence: Flohr Defence | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Nc6 9.Rd1 c4 10.Bc2 Nb4 11.Nc3 Nxc2 12.Qxc2 Bb7 13.d5 Qc7 | D02.042.QA | Explore ▶ |
| Classical Defence: Four Knights Game | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 Nc6 8.Nc3 | D02.044.QA | Explore ▶ |
| Classical Defence: Frankfurt Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6 | B05.139.FR | Explore ▶ |
| Classical Defence: Furman Attack | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.Qe2 a6 7.dxc5 Bxc5 8.O-O Nc6 9.e4 b5 10.e5 | D02.047.QA | Explore ▶ |
| Classical Defence: Furman Defence | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.dxc5 Bxc5 | D02.036.QA | Explore ▶ |
| Classical Defence: Hanham Defence | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nd7 | C03.009.KD | Explore ▶ |
| Classical Defence: Huisl Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Ne4 | E03.026.DU | Explore ▶ |
| Classical Defence: Ilyin Zhenevsky Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 | E03.027.DU | Explore ▶ |
| Classical Defence: Ilyin Zhenevsky Modern Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b3 | E03.028.DU | Explore ▶ |
| Classical Defence: Ilyin-Zhenevsky - Winter Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.Re1 | E03.030.DU | Explore ▶ |
| Classical Defence: Ilyin-Zhenevsky Defence - Alatortsev-Lisitsyn Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.Qc2 | E03.029.DU | Explore ▶ |
| Classical Defence: Indian Defence - Nimzo Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+ | E03.014.DU | Explore ▶ |
| Classical Defence: Indian Defence - Nimzo Defence: Alekhine Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+ 5.Bd2 Be7 | E03.015.DU | Explore ▶ |
| Classical Defence: Konikowski Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 d5 | C08.179.RL | Explore ▶ |
| Classical Defence: Lobron System | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Ngf6 12.O-O-O Be7 | B02.065.CK | Explore ▶ |
| Classical Defence: Lucena Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Be7 | C08.183.RL | Explore ▶ |
| Classical Defence: Mafia Defence | 1.e4 e5 2.f4 c5 | C03.014.KD | Explore ▶ |
| Classical Defence: Maroczy Attack | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.f4 | B02.059.CK | Explore ▶ |
| Classical Defence: Modern Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nf6 5.c3 O-O 6.d4 Bb6 7.Bg5 | C08.175.RL | Explore ▶ |
| Classical Defence: Petursson Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 cxd4 10.Nxd4 Re8 | D05.023.TA | Explore ▶ |
| Classical Defence: Pollock Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qg4 | B05.131.FR | Explore ▶ |
| Classical Defence: Reti Attack | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 5.fxe5 dxe5 6.d4 exd4 7.Bc4 | C03.007.KD | Explore ▶ |
| Classical Defence: Reti Attack | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.dxc5 Bxc5 10.Na4 | D05.024.TA | Explore ▶ |
| Classical Defence: Richter Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 | B05.122.FR | Explore ▶ |
| Classical Defence: Richter Attack: 7.Qg4 | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6 Bxf6 6.e5 Be7 7.Qg4 | B05.123.FR | Explore ▶ |
| Classical Defence: Rotlewi Counter-Gambit | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.b4 | C03.003.KD | Explore ▶ |
| Classical Defence: Rubinstein Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Qd2 | B05.130.FR | Explore ▶ |
| Classical Defence: Rubinstein Attack | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.a4 | D02.035.QA | Explore ▶ |
| Classical Defence: Rubinstein Counter-Gambit | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 | C03.006.KD | Explore ▶ |
| Classical Defence: Russian Gambit | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.e4 | D02.037.QA | Explore ▶ |
| Classical Defence: Seirawan Attack | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Ngf6 12.O-O-O Bd6 | B02.064.CK | Explore ▶ |
| Classical Defence: Seirawan-Spassky Attack | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 | B02.063.CK | Explore ▶ |
| Classical Defence: Senechaud Counter-Gambit | 1.e4 e5 2.f4 Bc5 3.Nf3 g5 | C03.012.KD | Explore ▶ |
| Classical Defence: Short Castling | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O | D02.033.QA | Explore ▶ |
| Classical Defence: Soldatenkov Attack | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.fxe5 | C03.008.KD | Explore ▶ |
| Classical Defence: Spanish Wing Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.b4 | C08.176.RL | Explore ▶ |
| Classical Defence: Spassky Attack | 1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 | B02.062.CK | Explore ▶ |
| Classical Defence: Spassky Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Bg4 | D05.020.TA | Explore ▶ |
| Classical Defence: Stahlberg Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 O-O 8.Nf3 c5 9.Qd2 Nc6 10.O-O-O c4 | B05.128.FR | Explore ▶ |
| Classical Defence: Steinitz Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 | B05.127.FR | Explore ▶ |
| Classical Defence: Steinitz Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 | B05.143.FR | Explore ▶ |
| Classical Defence: Steinitz Attack: 6.Nf3 | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 | B05.147.FR | Explore ▶ |
| Classical Defence: Steinitz Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 | C08.187.RL | Explore ▶ |
| Classical Defence: Steinitz Defence - Boleslavsky Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 | B05.148.FR | Explore ▶ |
| Classical Defence: Steinitz Defence - Bradford Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Bxc5 7.Qg4 | B05.144.FR | Explore ▶ |
| Classical Defence: Steinitz Defence - Brodsky-Jones Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 7.a3 Bxc5 8.Qg4 O-O 9.Nf3 f6 | B05.146.FR | Explore ▶ |
| Classical Defence: Steinitz Defence - Center Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 exd4 5.O-O | C08.190.RL | Explore ▶ |
| Classical Defence: Steinitz Defence - Gledhill Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.Qg4 | B05.149.FR | Explore ▶ |
| Classical Defence: Steinitz Defence - Nimzowitsch Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.Nc3 Nf6 6.Bxc6 | C08.189.RL | Explore ▶ |
| Classical Defence: Steinitz Defence - Semi-Duras Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.d4 Bd7 5.c4 | C08.188.RL | Explore ▶ |
| Classical Defence: Steinitz Defence Development | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O Nc6 | D02.046.QA | Explore ▶ |
| Classical Defence: Steinitz Defence: 6…Nc6 | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.dxc5 Nc6 | B05.145.FR | Explore ▶ |
| Classical Defence: Steinitz Exchange Defence | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O cxd4 | D02.045.QA | Explore ▶ |
| Classical Defence: Stoltz Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.Bg5 Be6 10.Rc1 b6 | D05.017.TA | Explore ▶ |
| Classical Defence: Stonewall Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Ba3 | E03.021.DU | Explore ▶ |
| Classical Defence: Stonewall Defence | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 | E03.019.DU | Explore ▶ |
| Classical Defence: Stonewall Defence - Botvinnik Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 | E03.020.DU | Explore ▶ |
| Classical Defence: Stonewall Defence - Chekhover Attack | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 c6 8.Qc2 Qe8 9.Bg5 | E03.024.DU | Explore ▶ |
| Classical Defence: Stonewall Defence 7.Nc3 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 | E03.022.DU | Explore ▶ |
| Classical Defence: Stonewall Defence 7…c6 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 c6 | E03.023.DU | Explore ▶ |
| Classical Defence: Svenonius Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nc6 4.exd5 | B05.103.FR | Explore ▶ |
| Classical Defence: Svenonius Defence | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nf6 5.Bc4 Nc6 6.d3 Bg4 | C03.010.KD | Explore ▶ |
| Classical Defence: Svenonius Defence: 8…exf4 | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nf6 5.Bc4 Nc6 6.d3 Bg4 7.h3 Bxf3 8.Qxf3 exf4 | C03.011.KD | Explore ▶ |
| Classical Defence: Swiss Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bd3 | B05.105.FR | Explore ▶ |
| Classical Defence: Tarrasch Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.Bd3 | B05.126.FR | Explore ▶ |
| Classical Defence: Tarrasch Gambit | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 8.O-O O-O 9.dxc5 d4 | D05.025.TA | Explore ▶ |
| Classical Defence: Tartakower Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4 | B05.124.FR | Explore ▶ |
| Classical Defence: Vistaneckis Defence | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 | B05.138.FR | Explore ▶ |
| Classical Defence: Walthoffen Attack | 1.e4 e5 2.f4 Bc5 3.Qh5 | C03.013.KD | Explore ▶ |
| Classical Defence: Zaitsev Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nd4 5.b4 | C08.173.RL | Explore ▶ |
| Classical Defence: Zukertort Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nf6 5.c3 | C08.174.RL | Explore ▶ |
| Classical Fianchetto | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.g3 | B01.269.SI | Explore ▶ |
| Classical Intermezzo Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nxc6 Qf6 | C14.037.SG | Explore ▶ |
| Classical Millennium Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Qg6 | C14.032.SG | Explore ▶ |
| Classical Move Order | 1.d4 f5 2.c4 e6 | E03.005.DU | Explore ▶ |
| Classical Quiet System: Be2 System | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 | B04.030.PI | Explore ▶ |
| Classical Quiet System: Chigorin Defence | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6 | B04.033.PI | Explore ▶ |
| Classical Quiet System: Czech Defence | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 | B04.032.PI | Explore ▶ |
| Classical Quiet System: Parma Defence | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Bg4 | B04.031.PI | Explore ▶ |
| Classical Quiet System: Schlechter Attack | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.h3 | B04.034.PI | Explore ▶ |
| Classical Quiet System: Two Knights System | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 | B04.028.PI | Explore ▶ |
| Classical Quiet System: Two Knights System: 4…Bg7 | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 | B04.029.PI | Explore ▶ |
| Classical Sicilian Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 | B01.238.SI | Explore ▶ |
| Clemenz Opening | 1.h3 | A00.118.IO | Explore ▶ |
| Clemenz Opening: Global Opening | 1.h3 e5 2.a3 | A00.119.IO | Explore ▶ |
| Clemenz Opening: Spike Lee Gambit | 1.h3 h5 2.g4 | A00.120.IO | Explore ▶ |
| Closed Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 | C08.048.RL | Explore ▶ |
| Closed Attack | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 | E11.008.CA | Explore ▶ |
| Closed Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 | C08.036.RL | Explore ▶ |
| Closed Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 | E11.009.CA | Explore ▶ |
| Closed Defence: 10.e4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Bf4 b6 9.Nbd2 Bb7 10.e4 | E11.019.CA | Explore ▶ |
| Closed Defence: 12.Qxe4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Bf4 b6 9.Nbd2 Bb7 10.e4 dxe4 11.Nxe4 Nxe4 12.Qxe4 | E11.020.CA | Explore ▶ |
| Closed Defence: 4…Bb4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bd2 Bb4 5.Nf3 Be7 6.Bg2 O-O 7.O-O c6 8.Bf4 b6 | E11.007.CA | Explore ▶ |
| Closed Defence: 6…Nbd7 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 | E11.014.CA | Explore ▶ |
| Closed Defence: 7...O-O | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O | C08.049.RL | Explore ▶ |
| Closed Defence: 7.Qc2 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 | E11.016.CA | Explore ▶ |
| Closed Defence: 8.b3 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.b3 | E11.017.CA | Explore ▶ |
| Closed Defence: 8.c3 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 | C08.051.RL | Explore ▶ |
| Closed Defence: 8.Nbd2 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 | E11.021.CA | Explore ▶ |
| Closed Defence: 8…d6 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 | C08.062.RL | Explore ▶ |
| Closed Defence: 9.Bf4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.Qc2 b6 8.Rd1 Nbd7 9.Bf4 | E11.012.CA | Explore ▶ |
| Closed Defence: 9.h3 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 | C08.068.RL | Explore ▶ |
| Closed Defence: 9…Na6 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.Qc2 b6 8.Nbd2 Bb7 9.e4 Na6 | E11.010.CA | Explore ▶ |
| Closed Defence: 9…Nbd7 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.Qc2 b6 8.Nbd2 Bb7 9.e4 Nbd7 | E11.011.CA | Explore ▶ |
| Closed Defence: Alekhine Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.Nbd2 O-O 12.Nf1 Bg4 13.Ne3 Bxf3 14.Qxf3 | C08.102.RL | Explore ▶ |
| Closed Defence: Anti-Marshall Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 | C08.050.RL | Explore ▶ |
| Closed Defence: Arseniev Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Nb8 10.d4 Nbd7 11.c4 | C08.098.RL | Explore ▶ |
| Closed Defence: Averbakh Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 | C08.105.RL | Explore ▶ |
| Closed Defence: Balla Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.a4 | C08.100.RL | Explore ▶ |
| Closed Defence: Basque Gambit - North Spanish Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.e5 Ne4 8.c3 | C08.040.RL | Explore ▶ |
| Closed Defence: Basque Gambit - North Spanish Attack 8…dxc3 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 exd4 7.e5 Ne4 8.c3 dxc3 | C08.041.RL | Explore ▶ |
| Closed Defence: Bogoljubow Counterthrust Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.d4 Bg4 | C08.093.RL | Explore ▶ |
| Closed Defence: Borisenko Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Nc6 | C08.074.RL | Explore ▶ |
| Closed Defence: Botvinnik Attack | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Nc3 c6 8.Qd3 | E11.015.CA | Explore ▶ |
| Closed Defence: Breyer Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 Nbd7 11.Nh4 | C08.086.RL | Explore ▶ |
| Closed Defence: Breyer Defence: 12…c5 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 c5 | C08.085.RL | Explore ▶ |
| Closed Defence: Center Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d4 | C08.039.RL | Explore ▶ |
| Closed Defence: Chigorin Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 | C08.072.RL | Explore ▶ |
| Closed Defence: Chigorin Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Na5 | C08.095.RL | Explore ▶ |
| Closed Defence: Chigorin Defence - Panov System | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 | C08.077.RL | Explore ▶ |
| Closed Defence: Chigorin Defence - Rauzer Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 13.dxc5 | C08.079.RL | Explore ▶ |
| Closed Defence: Chigorin Defence - Yugoslav System | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Bd7 13.Nf1 Rfe8 14.Ne3 g6 | C08.076.RL | Explore ▶ |
| Closed Defence: Chigorin Defence: 10…c5 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 | C08.073.RL | Explore ▶ |
| Closed Defence: Chigorin Defence: 12...Nc6 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Nc6 | C08.078.RL | Explore ▶ |
| Closed Defence: Classical Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 | C08.097.RL | Explore ▶ |
| Closed Defence: Classical Defence: 6…dxc4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O dxc4 | E11.013.CA | Explore ▶ |
| Closed Defence: Delayed Exchange Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 | C08.037.RL | Explore ▶ |
| Closed Defence: Flohr - Zaitsev - Lenzerheide Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Bb7 | C08.094.RL | Explore ▶ |
| Closed Defence: Kecskemet Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.d4 Bd7 9.Nbd2 Be8 | C08.106.RL | Explore ▶ |
| Closed Defence: Keres Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c5 11.d4 Nd7 | C08.075.RL | Explore ▶ |
| Closed Defence: Keres Defence: 9…a5 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 a5 | C08.069.RL | Explore ▶ |
| Closed Defence: Keres Defence: 9…Nd7 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nd7 | C08.087.RL | Explore ▶ |
| Closed Defence: Kholmov Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Be6 | C08.070.RL | Explore ▶ |
| Closed Defence: Leonhardt Defence: 7...d6 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.h3 Nc6 12.d5 Nb8 13.Nbd2 g5 | C08.101.RL | Explore ▶ |
| Closed Defence: Leonhardt Defence: 7…O-O | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 Na5 9.Bc2 c5 10.d4 Qc7 11.h3 Nc6 12.d5 Nd8 13.Nbd2 g5 | C08.090.RL | Explore ▶ |
| Closed Defence: Lutikov Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.Bc2 | C08.064.RL | Explore ▶ |
| Closed Defence: Marshall Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 | C08.052.RL | Explore ▶ |
| Closed Defence: Marshall Attack - Fischer Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.g3 | C08.060.RL | Explore ▶ |
| Closed Defence: Marshall Attack - Modern Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.Bxd5 cxd5 13.d4 Bd6 14.Re3 | C08.056.RL | Explore ▶ |
| Closed Defence: Marshall Attack - Modern Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 | C08.055.RL | Explore ▶ |
| Closed Defence: Marshall Attack - Modern Defence 14…Qh3 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 | C08.058.RL | Explore ▶ |
| Closed Defence: Marshall Attack - Original Marshall Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 Nf6 | C08.061.RL | Explore ▶ |
| Closed Defence: Marshall Attack - Spassky Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 Bd6 13.Re1 Qh4 14.g3 Qh3 15.Be3 Bg4 16.Qd3 Rae8 17.Nd2 Re6 18.a4 Qh5 | C08.059.RL | Explore ▶ |
| Closed Defence: Marshall Attack - Steiner Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 e4 | C08.054.RL | Explore ▶ |
| Closed Defence: Marshall Attack 12.d4 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 c6 12.d4 | C08.057.RL | Explore ▶ |
| Closed Defence: Marshall Counter-Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5 9.d4 | C08.053.RL | Explore ▶ |
| Closed Defence: Martinez Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.d3 | C08.038.RL | Explore ▶ |
| Closed Defence: Morphy Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Nc3 | C08.042.RL | Explore ▶ |
| Closed Defence: Morphy's Defence - Breyer Attack: 10.d4 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 | C08.083.RL | Explore ▶ |
| Closed Defence: Morphy's Defence - Breyer Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 | C08.081.RL | Explore ▶ |
| Closed Defence: Morphy's Defence - Breyer Defence - Hybrid Zaitsev Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d4 Nbd7 | C08.084.RL | Explore ▶ |
| Closed Defence: Morphy's Defence - Breyer Defence - Quiet Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nb8 10.d3 | C08.082.RL | Explore ▶ |
| Closed Defence: Noah's Ark Trap: 10...c5 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.d4 Nxd4 9.Nxd4 exd4 10.Qxd4 c5 | C08.104.RL | Explore ▶ |
| Closed Defence: Pilnik Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d3 | C08.065.RL | Explore ▶ |
| Closed Defence: Pseudo Marshall Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 Bb7 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 | C08.092.RL | Explore ▶ |
| Closed Defence: Rabinovich Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b5 | E11.022.CA | Explore ▶ |
| Closed Defence: Romanishin Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Bg5 | C08.099.RL | Explore ▶ |
| Closed Defence: Romanovsky Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.d4 Bd7 9.Nbd2 exd4 10.cxd4 Nb4 | C08.107.RL | Explore ▶ |
| Closed Defence: Rosen Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.d4 | C08.103.RL | Explore ▶ |
| Closed Defence: Rossolimo Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Na5 10.Bc2 c6 11.d4 Qc7 | C08.080.RL | Explore ▶ |
| Closed Defence: Smyslov Breyer - Zaitsev Hybrid | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Re8 10.d4 Bb7 11.Nbd2 Bf8 12.a3 h6 | C08.089.RL | Explore ▶ |
| Closed Defence: Smyslov Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 h6 | C08.071.RL | Explore ▶ |
| Closed Defence: Sokolsky Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b6 9.b3 a5 10.Bb2 Ba6 | E11.024.CA | Explore ▶ |
| Closed Defence: Spanish Benoni Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.d5 | C08.096.RL | Explore ▶ |
| Closed Defence: Spassky Gambit | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7 10.Nc3 b5 | E11.018.CA | Explore ▶ |
| Closed Defence: Suetin Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.a3 | C08.063.RL | Explore ▶ |
| Closed Defence: Traditional Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b6 | E11.023.CA | Explore ▶ |
| Closed Defence: Trajkovic Counter-Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 Bb7 | C08.091.RL | Explore ▶ |
| Closed Defence: Worrall Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 | C08.043.RL | Explore ▶ |
| Closed Defence: Worrall Attack - English Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d6 9.d4 Bg4 | C08.046.RL | Explore ▶ |
| Closed Defence: Worrall Attack - Schlechter Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d5 | C08.045.RL | Explore ▶ |
| Closed Defence: Worrall Attack - Short Castling | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O | C08.044.RL | Explore ▶ |
| Closed Defence: Worrall Attack: 7...d6 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 d6 | C08.047.RL | Explore ▶ |
| Closed Defence: Yates Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4 | C08.066.RL | Explore ▶ |
| Closed Defence: Yates Attack: 10.a4 | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.d4 Bg4 10.a4 | C08.067.RL | Explore ▶ |
| Closed Defence: Zagoryansky Attack | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Rd1 b6 9.a4 | E11.025.CA | Explore ▶ |
| Closed Defence: Zaitsev System | 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Re8 | C08.088.RL | Explore ▶ |
| Closed Fianchetto | 1.e4 c5 2.Nc3 Nc6 3.g3 | B01.084.SI | Explore ▶ |
| Closed Fianchetto Traditional | 1.e4 c5 2.Nc3 Nc6 | B01.080.SI | Explore ▶ |
| Closed Fianchetto: 3…g6 | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 | B01.085.SI | Explore ▶ |
| Closed Fianchetto: 4…Bg7 | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 | B01.086.SI | Explore ▶ |
| Closed Fianchetto: 5…d6 | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 | B01.087.SI | Explore ▶ |
| Closed Fianchetto: 6.Be3 | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 | B01.088.SI | Explore ▶ |
| Closed Fianchetto: 6.f4 | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 | B01.089.SI | Explore ▶ |
| Closed Fianchetto: Botvinnik Defence | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5 | B01.090.SI | Explore ▶ |
| Closed Fianchetto: Botvinnik Defence - Edge Defence | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5 7.Nh3 Nge7 | B01.091.SI | Explore ▶ |
| Closed Fianchetto: Botvinnik Defence: 6…e5 | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nge2 e5 | B01.092.SI | Explore ▶ |
| Closed Fianchetto: Smyslov Attack | 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 e6 6.Be3 Nd4 7.Nce2 | B01.093.SI | Explore ▶ |
| Closed Scandinavian Defence | 1.e4 d5 2.Nc3 | B03.048.SC | Explore ▶ |
| Closed Scandinavian Defence: Grunfeld Defence | 1.e4 d5 2.Nc3 dxe4 3.Nxe4 e5 | B03.049.SC | Explore ▶ |
| Closed Sicilian | 1.e4 c5 2.Nc3 e6 | B01.076.SI | Explore ▶ |
| Closed Sicilian - Anti-Sveshnikov - Kharlov-Kramnik Defence | 1.e4 c5 2.Nc3 Nc6 3.Nf3 e5 4.Bc4 d6 5.d3 Be7 6.Nd2 Bg5 | B01.095.SI | Explore ▶ |
| Closed Sicilian - Chameleon Attack | 1.e4 c5 2.Nc3 Nc6 3.Nge2 | B01.096.SI | Explore ▶ |
| Closed Sicilian: 3.g3 | 1.e4 c5 2.Nc3 e6 3.g3 | B01.078.SI | Explore ▶ |
| Closed Sicilian: Anti-Sveshnikov Defence: 5…d6 | 1.e4 c5 2.Nf3 Nc6 3.Nc3 e5 4.Bc4 Be7 5.d3 d6 | B01.381.SI | Explore ▶ |
| Closed Sicilian: Anti-Sveshnikov Defence: 5…Nf6 | 1.e4 c5 2.Nf3 Nc6 3.Nc3 e5 4.Bc4 Be7 5.d3 Nf6 | B01.382.SI | Explore ▶ |
| Closed Sicilian: Grob Attack | 1.e4 c5 2.Nc3 Nc6 3.g4 | B01.094.SI | Explore ▶ |
| Closed Sicilian: Knight Development | 1.e4 c5 2.Nc3 | B01.074.SI | Explore ▶ |
| Closed Sicilian: Korchnoi Defence | 1.e4 c5 2.Nc3 e6 3.g3 d5 | B01.079.SI | Explore ▶ |
| Closed Sicilian: Marshall Gambit | 1.e4 c5 2.Nc3 e6 3.d4 d5 | B01.077.SI | Explore ▶ |
| Cochrane Attack: 7.Nxf7 | 1.e4 e5 2.Nf3 Nc6 3.d4 Nxd4 4.Nxe5 Ne6 5.Bc4 c6 6.O-O Nf6 7.Nxf7 | C14.059.SG | Explore ▶ |
| Cochrane Gambit | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 | C17.044.RU | Explore ▶ |
| Cochrane Gambit: Bishop Check | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.Bc4+ | C17.045.RU | Explore ▶ |
| Cochrane Gambit: Center Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4 | C17.046.RU | Explore ▶ |
| Colle System | 1.d4 d5 2.Nf3 Nf6 3.e3 | D00.058.QP | Explore ▶ |
| Colle System: 3…e6 | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 | D00.060.QP | Explore ▶ |
| Colle System: 4.Bd3 | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 | D00.061.QP | Explore ▶ |
| Colle System: Anti-Colle Defence | 1.d4 d5 2.Nf3 Nf6 3.e3 Bf5 | D00.059.QP | Explore ▶ |
| Colle System: Grunfeld Formation | 1.d4 d5 2.Nf3 Nf6 3.e3 g6 4.Bd3 Bg7 | D00.068.QP | Explore ▶ |
| Colle System: Grunfeld Formation | 1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Bd3 d5 | E05.081.IN | Explore ▶ |
| Colle System: King's Indian Defence | 1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Bd3 d6 | E05.082.IN | Explore ▶ |
| Colle System: Pterodactyl Defence | 1.d4 g6 2.Nf3 Bg7 3.e3 c5 4.Bd3 Qa5+ | E04.020.MO | Explore ▶ |
| Colle System: Rhamphorhynchus Defence | 1.d4 g6 2.Nf3 Bg7 3.e3 c5 4.dxc5 Qa5+ | E04.021.MO | Explore ▶ |
| Colle System: Rubinstein Opening | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.b3 | D00.062.QP | Explore ▶ |
| Colle System: Rubinstein Opening - Bogoljubow Defence | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.b3 Nc6 6.Bb2 Bd6 7.O-O O-O | D00.063.QP | Explore ▶ |
| Colle System: Rubinstein Opening - Classical Defence | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.b3 Nc6 6.Bb2 Be7 7.O-O O-O | D00.064.QP | Explore ▶ |
| Colle System: Rubinstein Opening - Semi-Slav Defence | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 Nbd7 5.O-O Bd6 6.b3 O-O 7.Bb2 | D00.066.QP | Explore ▶ |
| Colle System: Siroccopteryx Defence | 1.d4 g6 2.Nf3 Bg7 3.e3 c5 4.Bd3 cxd4 5.Nxd4 Qa5+ | E04.019.MO | Explore ▶ |
| Colle System: Traditional Colle Attack | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.c3 | D00.065.QP | Explore ▶ |
| Colle System: Zukertort Formation | 1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Nbd2 c5 5.b3 | D00.067.QP | Explore ▶ |
| Colman Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Qf3 Rb8 | C12.054.TW | Explore ▶ |
| Complex Accepted | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5 f6 5.exf6 Nxf6 | E02.013.EG | Explore ▶ |
| Complex Accepted: 3...Qe7 | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 | E02.011.EG | Explore ▶ |
| Complex Accepted: Behting | 1.d4 e5 2.dxe5 Nc6 | E02.006.EG | Explore ▶ |
| Complex Accepted: Felbecker Gambit | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Bc5 | E02.007.EG | Explore ▶ |
| Complex Accepted: Hartlaub Charlick Gambit | 1.d4 e5 2.dxe5 d6 | E02.004.EG | Explore ▶ |
| Complex Accepted: Mosquito Gambit | 1.d4 e5 2.dxe5 Qh4 | E02.014.EG | Explore ▶ |
| Complex Accepted: Soller Gambit | 1.d4 e5 2.dxe5 f6 | E02.005.EG | Explore ▶ |
| Complex Accepted: Soller Gambit Deferred | 1.d4 e5 2.dxe5 Nc6 3.Nf3 f6 | E02.008.EG | Explore ▶ |
| Complex Accepted: Stockholm Attack | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5 | E02.012.EG | Explore ▶ |
| Complex Accepted: Zilbermints Gambit | 1.d4 e5 2.dxe5 Nc6 3.Nf3 h6 | E02.009.EG | Explore ▶ |
| Complex Accepted: Zilbermints Gambit: 3…Nge7 | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7 | E02.010.EG | Explore ▶ |
| Complex Declined | 1.d4 e5 2.d5 | E02.002.EG | Explore ▶ |
| Complex Declined: Diemer Counter-Attack | 1.d4 e5 2.d5 Bc5 3.e4 Qh4 | E02.003.EG | Explore ▶ |
| Complex Declined: Reversed Alekhine Attack | 1.d4 e5 2.Nf3 | E02.016.EG | Explore ▶ |
| Complex Declined: Reversed Brooklyn Attack | 1.d4 e5 2.Nf3 e4 3.Ng1 | E02.019.EG | Explore ▶ |
| Complex Declined: Reversed French Attack | 1.d4 e5 2.e3 | E02.015.EG | Explore ▶ |
| Complex Declined: Reversed Krebs Defence | 1.d4 e5 2.Nf3 e4 | E02.017.EG | Explore ▶ |
| Complex Declined: Reversed Mokele Mbembe Attack | 1.d4 e5 2.Nf3 e4 3.Ne5 | E02.018.EG | Explore ▶ |
| Cormorant Gambit | 1.d4 c5 2.dxc5 b6 | E01.020.OB | Explore ▶ |
| Cortlever Attack | 1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.dxc5 Nxe4 5.cxd6 | B01.276.SI | Explore ▶ |
| Counter-Gambit: 3…f5 | 1.e4 e5 2.Nf3 Nc6 3.c3 f5 | C13.008.PO | Explore ▶ |
| Counter-Gambit: Cordel Defence | 1.e4 e5 2.Nf3 Nc6 3.c3 f5 4.d4 d6 5.d5 fxe4 6.Ng5 Nb8 7.Nxe4 Nf6 8.Bd3 Be7 | C13.010.PO | Explore ▶ |
| Counter-Gambit: Schmidt Attack | 1.e4 e5 2.Nf3 Nc6 3.c3 f5 4.d4 d6 5.d5 | C13.009.PO | Explore ▶ |
| Counterthrust Defence | 1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 | E15.010.KI | Explore ▶ |
| Cozio Attack - Lasker Attack | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2 | C17.043.RU | Explore ▶ |
| Cozio Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 | C08.246.RL | Explore ▶ |
| Cozio Defence: Paulsen Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.Nc3 g6 | C08.248.RL | Explore ▶ |
| Cozio Defence: Tartakower Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nge7 4.d4 exd4 5.Nxd4 g6 6.Nc3 Bg7 7.Be3 O-O 8.Qd2 d5 | C08.247.RL | Explore ▶ |
| Cunningham Defence | 1.e4 e5 2.f4 exf4 3.Nf3 Be7 | C04.046.KA | Explore ▶ |
| Cunningham Defence: Bertin Gambit | 1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4+ 5.g3 | C04.047.KA | Explore ▶ |
| Cunningham Defence: Bertin Gambit: 7.Kh1 | 1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Bh4+ 5.g3 fxg3 6.O-O gxh2+ 7.Kh1 | C04.048.KA | Explore ▶ |
| Cunningham Defence: McCormick Defence | 1.e4 e5 2.f4 exf4 3.Nf3 Be7 4.Bc4 Nf6 | C04.049.KA | Explore ▶ |
| Czech Attack | 1.d4 Nf6 2.c4 d6 3.Nc3 c6 4.Nf3 | E09.009.OI | Explore ▶ |
| Czech Defence | 1.e4 d6 2.d4 Nf6 3.Nc3 c6 | B04.009.PI | Explore ▶ |
| Czech Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 | D03.037.SL | Explore ▶ |
| Czech Defence | 1.d4 Nf6 2.c4 c5 3.d5 e5 | E06.004.BE | Explore ▶ |
| Czech Defence: 3. Nc3 c6 | 1.d4 Nf6 2.c4 d6 3.Nc3 c6 | E09.008.OI | Explore ▶ |
| Czech Defence: 3. Nf3 c6 | 1.d4 Nf6 2.c4 d6 3.Nf3 c6 | E09.015.OI | Explore ▶ |
| Czech Defence: 5…Be7 | 1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 | E06.005.BE | Explore ▶ |
| Czech Defence: Classical System | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 | D03.038.SL | Explore ▶ |
| Czech Defence: Classical System - Bled Attack | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Nh4 | D03.049.SL | Explore ▶ |
| Czech Defence: Classical System - Carlsbad Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Nbd7 7.Nxc4 Qc7 8.g3 e5 | D03.047.SL | Explore ▶ |
| Czech Defence: Classical System - Carlsbad Morozevich Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Nbd7 7.Nxc4 Qc7 8.g3 e5 9.dxe5 Nxe5 10.Bf4 Nfd7 11.Bg2 g5 | D03.048.SL | Explore ▶ |
| Czech Defence: Classical System - Krause Attack | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 | D03.043.SL | Explore ▶ |
| Czech Defence: Classical System - Krause Attack Fazekas Gambit | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 Na6 7.e4 | D03.046.SL | Explore ▶ |
| Czech Defence: Classical System - Lasker Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 Na6 | D03.042.SL | Explore ▶ |
| Czech Defence: Classical System - Wiesbaden Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 e6 | D03.044.SL | Explore ▶ |
| Czech Defence: Classical System - Wiesbaden Sharp Attack | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5 e6 7.f3 Bb4 8.e4 | D03.045.SL | Explore ▶ |
| Czech Defence: Classical System: 9.Qe2 | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O 9.Qe2 | D03.040.SL | Explore ▶ |
| Czech Defence: Dutch Attack | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O | D03.039.SL | Explore ▶ |
| Czech Defence: Dutch Samisch Attack | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O 9.Qe2 Ne4 10.g4 | D03.041.SL | Explore ▶ |
| Czech Indian Defence | 1.d4 Nf6 2.Nf3 c6 | E05.066.IN | Explore ▶ |
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