S – Chess Openings by Name
| Opening Name | Chess Notation | MICOS Code | MICOS CAP |
|---|---|---|---|
| Saduleto Attack | 1.d4 d5 2.c4 dxc4 3.e4 | D02.007.QA | Explore ▶ |
| Salvio Gambit | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 | C04.086.KA | Explore ▶ |
| Salvio Gambit: Anderssen Counter-Attack | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 d6 | C04.091.KA | Explore ▶ |
| Salvio Gambit: Cochrane Gambit | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 f3 | C04.087.KA | Explore ▶ |
| Salvio Gambit: Santa Maria Defence | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nf6 | C04.089.KA | Explore ▶ |
| Salvio Gambit: Silberschmidt Defence | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 | C04.090.KA | Explore ▶ |
| Salvio Gambit: Viennese Defence | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nc6 | C04.088.KA | Explore ▶ |
| Samisch Accelerated Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 | E12.003.NI | Explore ▶ |
| Samisch Attack | 1.e4 Nf6 2.e5 Nd5 3.Nc3 | B09.051.AL | Explore ▶ |
| Samisch Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 | E12.002.NI | Explore ▶ |
| Samisch Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 | E15.037.KI | Explore ▶ |
| Samisch Attack: 6.e3 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 | E12.005.NI | Explore ▶ |
| Samisch Attack: 7.cxd5 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 | E12.010.NI | Explore ▶ |
| Samisch Attack: Bobotsov-Korchnoi-Petrosian System | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Nge2 | E15.055.KI | Explore ▶ |
| Samisch Attack: Botvinnik Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.e3 O-O 8.cxd5 Nxd5 | E12.013.NI | Explore ▶ |
| Samisch Attack: Bronstein Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 Nh5 8.Qd2 Qh4+ 9.g3 Nxg3 10.Qf2 Nxf1 11.Qxh4 Nxe3 12.Ke2 | E15.047.KI | Explore ▶ |
| Samisch Attack: Bronstein Defence: 12…Nxc4 | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 e5 6.d5 Nh5 7.Be3 Na6 8.Qd2 Qh4+ 9.g3 Nxg3 10.Qf2 Nxf1 11.Qxh4 Nxe3 12.Kf2 Nxc4 | E15.056.KI | Explore ▶ |
| Samisch Attack: Byrne Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c6 7.Bd3 a6 | E15.041.KI | Explore ▶ |
| Samisch Attack: Capablanca Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 b6 9.e4 Ne8 | E12.007.NI | Explore ▶ |
| Samisch Attack: Double Fianchetto | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 | E15.039.KI | Explore ▶ |
| Samisch Attack: Keres Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5 8.dxc5 | E12.011.NI | Explore ▶ |
| Samisch Attack: Normal Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O | E15.038.KI | Explore ▶ |
| Samisch Attack: O'Kelly Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 b6 | E12.009.NI | Explore ▶ |
| Samisch Attack: Orthodox Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 | E15.042.KI | Explore ▶ |
| Samisch Attack: Orthodox Defence - Bronstein Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 Nh5 8.Qd2 Qh4+ 9.g3 Nxg3 10.Qf2 Nxf1 11.Qxh4 Nxe3 12.Ke2 Nxc4 | E15.048.KI | Explore ▶ |
| Samisch Attack: Orthodox Defence - Ruy Lopez Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Nge2 | E15.045.KI | Explore ▶ |
| Samisch Attack: Panno Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Qd2 Rb8 | E15.052.KI | Explore ▶ |
| Samisch Attack: Panno Formation | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 | E15.051.KI | Explore ▶ |
| Samisch Attack: Romanovsky Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5 8.dxc5 f5 | E12.012.NI | Explore ▶ |
| Samisch Attack: Ruban Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 Rb8 | E15.053.KI | Explore ▶ |
| Samisch Attack: Steiner Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Bg5 | E15.054.KI | Explore ▶ |
| Samisch Attack: Transpositional (c5): 6.e3 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 | E12.008.NI | Explore ▶ |
| Samisch Attack: Yates Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 | E15.050.KI | Explore ▶ |
| Samisch Closed Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 | E15.043.KI | Explore ▶ |
| Samisch Closed Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 | E15.044.KI | Explore ▶ |
| Samisch Closed Defence: 8…cxd5 | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c6 8.Nge2 cxd5 | E15.046.KI | Explore ▶ |
| Samisch Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O | E12.004.NI | Explore ▶ |
| Samisch Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 | E15.049.KI | Explore ▶ |
| Samisch Defence: 7…Nc6 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6 | E12.006.NI | Explore ▶ |
| Samisch Deferred Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.a3 | E12.030.NI | Explore ▶ |
| Samisch Gambit | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 c5 | E15.040.KI | Explore ▶ |
| Samisch Indian Defence | 1.d4 Nf6 2.c4 b6 | E05.016.IN | Explore ▶ |
| Santasiere's Folly Attack | 1.Nf3 d5 2.b4 | A04.020.RE | Explore ▶ |
| Santassiere Attack | 1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.b4 | E15.127.KI | Explore ▶ |
| Saragossa Opening | 1.c3 | A00.049.IO | Explore ▶ |
| Saragossa Opening: Bendig Gambit | 1.c3 e5 2.e4 Nc6 3.f4 | A00.051.IO | Explore ▶ |
| Saragossa Opening: Cabbage Attack | 1.c3 e5 2.a3 d5 3.b3 Nf6 4.Bb2 Nc6 5.a4 Bd6 6.g3 O-O 7.e3 | A00.050.IO | Explore ▶ |
| Saragossa Opening: Hanham Hayward Attack | 1.c3 e5 2.Qc2 | A00.052.IO | Explore ▶ |
| Scandinavian Aachen Gambit | 1.e4 Nc6 2.d4 d5 3.exd5 Nb4 | B08.010.ND | Explore ▶ |
| Scandinavian Advance Attack | 1.e4 Nc6 2.d4 d5 3.e5 | B08.009.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack | 1.e4 Nc6 2.d4 d5 3.Nc3 | B08.013.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack: Brandics Gambit | 1.e4 Nc6 2.d4 d5 3.Nc3 a6 | B08.014.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack: Defence | 1.e4 Nc6 2.d4 d5 3.Nc3 dxe4 | B08.015.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack: Erben Gambit | 1.e4 Nc6 2.d4 d5 3.Nc3 g6 | B08.019.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack: Heinola-Deppe Gambit | 1.e4 Nc6 2.d4 d5 3.Nc3 e5 | B08.018.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack: Nimzowitsch Gambit | 1.e4 Nc6 2.d4 d5 3.Nc3 dxe4 4.d5 Ne5 | B08.017.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack: Richter Gambit | 1.e4 Nc6 2.d4 d5 3.Nc3 dxe4 4.d5 Nb8 5.f3 | B08.016.ND | Explore ▶ |
| Scandinavian Bogoljubow Attack: Vehre Defence | 1.e4 Nc6 2.d4 d5 3.Nc3 Nf6 | B08.020.ND | Explore ▶ |
| Scandinavian Defence | 1.e4 d5 | B03.001.SC | Explore ▶ |
| Scandinavian Defence | 1.e4 Nc6 2.d4 d5 | B08.007.ND | Explore ▶ |
| Scandinavian Defence | 1.e4 Nf6 2.Nc3 d5 | B09.057.AL | Explore ▶ |
| Scandinavian Defence: 3…Qa5 | 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 | B03.031.SC | Explore ▶ |
| Scandinavian Defence: Geschev Gambit | 1.e4 Nf6 2.Nc3 d5 3.exd5 c6 | B09.059.AL | Explore ▶ |
| Scandinavian Defence: Spielmann Gambit | 1.e4 Nf6 2.Nc3 d5 3.e5 Nfd7 4.e6 | B09.058.AL | Explore ▶ |
| Scandinavian Exchange Defence | 1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 | B08.011.ND | Explore ▶ |
| Scandinavian Exchange Defence: Marshall Gambit | 1.e4 Nc6 2.d4 d5 3.exd5 Qxd5 4.Nc3 | B08.012.ND | Explore ▶ |
| Schallop Defence | 1.e4 e5 2.f4 exf4 3.Nf3 Nf6 | C04.138.KA | Explore ▶ |
| Schallop Defence: Tashkent Attack | 1.e4 e5 2.f4 exf4 3.Nf3 Nf6 4.e5 Nh5 5.g4 | C04.139.KA | Explore ▶ |
| Schara Gambit | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 cxd4 | D05.002.TA | Explore ▶ |
| Scheveningen Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 | B01.174.SI | Explore ▶ |
| Scheveningen Defence: Classical Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 | B01.183.SI | Explore ▶ |
| Scheveningen Defence: Classical Defence: 10…O-O | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6 9.Be3 Be7 10.Qe1 O-O | B01.189.SI | Explore ▶ |
| Scheveningen Defence: Classical Defence: 6…a6 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 | B01.184.SI | Explore ▶ |
| Scheveningen Defence: Classical Defence: 7…Qc7 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 | B01.186.SI | Explore ▶ |
| Scheveningen Defence: Classical Paulsen Attack: 10.a4 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6 9.Kh1 Be7 10.a4 | B01.190.SI | Explore ▶ |
| Scheveningen Defence: Classical Paulsen Attack: 9.Be3 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6 9.Be3 | B01.188.SI | Explore ▶ |
| Scheveningen Defence: Classical Paulsen Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6 | B01.187.SI | Explore ▶ |
| Scheveningen Defence: Delayed Keres Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.g4 | B01.194.SI | Explore ▶ |
| Scheveningen Defence: Delayed Keres Attack - Perenyi Gambit | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.g4 e5 8.Nf5 g6 9.g5 | B01.195.SI | Explore ▶ |
| Scheveningen Defence: English Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.f3 | B01.193.SI | Explore ▶ |
| Scheveningen Defence: English Attack: 7.Qd2 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.Qd2 | B01.196.SI | Explore ▶ |
| Scheveningen Defence: Fianchetto | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g3 | B01.199.SI | Explore ▶ |
| Scheveningen Defence: Keres Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 | B01.200.SI | Explore ▶ |
| Scheveningen Defence: Matanovic Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 | B01.197.SI | Explore ▶ |
| Scheveningen Defence: Modern Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nc6 | B01.191.SI | Explore ▶ |
| Scheveningen Defence: Modern Attack: 10.Nb3 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Nc6 7.O-O Be7 8.Be3 O-O 9.f4 Bd7 10.Nb3 | B01.192.SI | Explore ▶ |
| Scheveningen Defence: Najdorf Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Nbd7 | B01.185.SI | Explore ▶ |
| Scheveningen Defence: Sozin Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 | B01.176.SI | Explore ▶ |
| Scheveningen Defence: Sozin Attack - Fischer Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Bb3 Be7 8.Be3 O-O 9.f4 | B01.179.SI | Explore ▶ |
| Scheveningen Defence: Sozin Attack - Flank Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 b5 | B01.177.SI | Explore ▶ |
| Scheveningen Defence: Sozin Attack - Leonhardt Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 | B01.178.SI | Explore ▶ |
| Scheveningen Defence: Sozin Attack - Sherbakov Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7 8.Bb3 O-O 9.O-O Na5 10.f4 b6 | B01.181.SI | Explore ▶ |
| Scheveningen Defence: Sozin Attack: 7.Be3 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 | B01.180.SI | Explore ▶ |
| Scheveningen Defence: Tal Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4 Nc6 7.Be3 Be7 8.Qf3 | B01.198.SI | Explore ▶ |
| Scheveningen Defence: Velimirovic Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 Nc6 7.Be3 Be7 8.Qe2 | B01.182.SI | Explore ▶ |
| Scheveningen Defence: Vitolins Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bb5+ | B01.175.SI | Explore ▶ |
| Schiller-Pytel Defence | 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 c6 | B03.042.SC | Explore ▶ |
| Schiller-Pytel Modern Defence | 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 c6 5.Bc4 Nf6 6.Nge2 Bf5 7.Bf4 Qb4 | B03.043.SC | Explore ▶ |
| Schilling-Kostic Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4 | C09.007.IT | Explore ▶ |
| Schlechter Attack | 1.e4 e6 2.d4 d5 3.Bd3 | B05.020.FR | Explore ▶ |
| Schlechter Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Bb4 4.Nd5 Nf6 | C15.003.TH | Explore ▶ |
| Schlechter Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 b6 | E12.031.NI | Explore ▶ |
| Schlechter Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 c6 | E16.052.GR | Explore ▶ |
| Schliemann Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 | C08.191.RL | Explore ▶ |
| Schliemann Defence: Classical Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qg5 | C08.198.RL | Explore ▶ |
| Schliemann Defence: Dyckhoff Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 | C08.195.RL | Explore ▶ |
| Schliemann Defence: Exchange Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Bxc6 | C08.192.RL | Explore ▶ |
| Schliemann Defence: Jaenisch Gambit Accepted | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.exf5 | C08.194.RL | Explore ▶ |
| Schliemann Defence: Kostic Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 Be7 | C08.196.RL | Explore ▶ |
| Schliemann Defence: Moehring Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qd5 | C08.197.RL | Explore ▶ |
| Schliemann Defence: Schoenemann Attack | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.d4 | C08.193.RL | Explore ▶ |
| Schliemann Defence: Tartakower Defence | 1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 Nf6 | C08.199.RL | Explore ▶ |
| Schlutter Defence | 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Nbd7 | D04.059.BL | Explore ▶ |
| Schmid Defence | 1.d4 c5 2.d5 d6 3.Nc3 g6 | E01.007.OB | Explore ▶ |
| Schmidt Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 | C14.038.SG | Explore ▶ |
| Schnepper Gambit | 1.d4 Nf6 2.Nf3 b6 3.c3 e5 | E05.061.IN | Explore ▶ |
| Schulze Muller Gambit | 1.e4 e5 2.Nf3 Nc6 3.Nxe5 Nxe5 4.d4 | C06.051.KN | Explore ▶ |
| Schurig Gambit: 3.Bb5 | 1.e4 e5 2.f4 exf4 3.Bb5 | C04.003.KA | Explore ▶ |
| Schurig Gambit: 3.Bd3 | 1.e4 e5 2.f4 exf4 3.Bd3 | C04.034.KA | Explore ▶ |
| Schwartz Defence | 1.d4 d5 2.c4 dxc4 3.e4 f5 | D02.014.QA | Explore ▶ |
| Scorpion - Horus Gambit | 1.e4 c6 2.Nc3 d5 3.d3 dxe4 4.Bg5 | B02.096.CK | Explore ▶ |
| Scotch Attack | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 | C16.036.FO | Explore ▶ |
| Scotch Attack Accepted | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 | C16.040.FO | Explore ▶ |
| Scotch Attack: Belgrade Gambit | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5 | C16.041.FO | Explore ▶ |
| Scotch Attack: Belgrade Gambit - Modern Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nd5 Nxe4 6.Qe2 f5 | C16.042.FO | Explore ▶ |
| Scotch Attack: Krause Gambit | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5 | C16.038.FO | Explore ▶ |
| Scotch Attack: Krause Gambit - Leonhardt Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.Nxe5 Qe7 | C16.039.FO | Explore ▶ |
| Scotch Attack: Oxford Gambit | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 Bb4 5.d5 Nd4 | C16.037.FO | Explore ▶ |
| Scotch Attack: Schmid Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Nxe4 | C16.043.FO | Explore ▶ |
| Scotch Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O | C12.011.TW | Explore ▶ |
| Scotch Gambit | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 | C14.004.SG | Explore ▶ |
| Scotch Gambit Declined | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 d6 | C12.010.TW | Explore ▶ |
| Scotch Gambit Declined: 4…Bd6 | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 Bd6 | C12.009.TW | Explore ▶ |
| Scotch Gambit: 6.bxc3 | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.bxc3 | C14.007.SG | Explore ▶ |
| Scotch Gambit: Advance Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 | C14.016.SG | Explore ▶ |
| Scotch Gambit: Anderssen Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 | C12.026.TW | Explore ▶ |
| Scotch Gambit: Anderssen Attack: 11.Bg5 | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5 9.Nxe4 Be6 10.Bd2 Qd5 11.Bg5 | C12.028.TW | Explore ▶ |
| Scotch Gambit: Benima Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Be7 | C14.014.SG | Explore ▶ |
| Scotch Gambit: Canal Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Nc3 | C12.030.TW | Explore ▶ |
| Scotch Gambit: Cochrane Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.bxc3 Ba5 7.e5 | C14.008.SG | Explore ▶ |
| Scotch Gambit: Cochrane Defence - Anderssen Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.O-O d6 6.c3 Bg4 | C14.010.SG | Explore ▶ |
| Scotch Gambit: Cochrane Defence - Shumov Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Nxf7 Nxf7 7.Bxf7+ Kxf7 8.Qh5+ g6 9.Qxc5 d5 | C14.012.SG | Explore ▶ |
| Scotch Gambit: De Riviere Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Be7 | C12.022.TW | Explore ▶ |
| Scotch Gambit: Double Gambit Accepted | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 | C12.024.TW | Explore ▶ |
| Scotch Gambit: Dubois-Reti Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 | C14.015.SG | Explore ▶ |
| Scotch Gambit: Hanneken Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.O-O cxb2 7.Bxb2 Nf6 8.Ng5 O-O 9.e5 Nxe5 | C14.006.SG | Explore ▶ |
| Scotch Gambit: Haxo Gambit | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 | C14.009.SG | Explore ▶ |
| Scotch Gambit: Janowski Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O d6 | C12.023.TW | Explore ▶ |
| Scotch Gambit: Jordansky Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5 9.Ne4 Be6 10.Bg5 | C12.027.TW | Explore ▶ |
| Scotch Gambit: Jordansky Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.Nc3 Qa5 9.Nxe4 Be6 10.Bg5 h6 11.Bh4 g5 12.Nf6+ Ke7 13.b4 | C12.029.TW | Explore ▶ |
| Scotch Gambit: Kingside Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.e5 Ng4 | C14.017.SG | Explore ▶ |
| Scotch Gambit: London Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ | C14.005.SG | Explore ▶ |
| Scotch Gambit: Max Lange Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 | C12.012.TW | Explore ▶ |
| Scotch Gambit: Max Lange Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 | C12.014.TW | Explore ▶ |
| Scotch Gambit: Max Lange Attack - Berger Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.g4 Qg6 12.Nce4 Bb6 13.f4 O-O-O | C12.017.TW | Explore ▶ |
| Scotch Gambit: Max Lange Attack - Krause Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 Ng4 7.c3 | C12.021.TW | Explore ▶ |
| Scotch Gambit: Max Lange Attack - Loman Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 g6 | C12.016.TW | Explore ▶ |
| Scotch Gambit: Max Lange Attack - Rubinstein Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 Bf8 | C12.019.TW | Explore ▶ |
| Scotch Gambit: Max Lange Attack - Spielmann Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 Ng4 | C12.020.TW | Explore ▶ |
| Scotch Gambit: Max Lange Attack Accepted | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.fxg7 | C12.015.TW | Explore ▶ |
| Scotch Gambit: Max Lange: Long Attack | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.e5 d5 7.exf6 dxc4 8.Re1+ Be6 9.Ng5 Qd5 10.Nc3 Qf5 11.Nce4 | C12.018.TW | Explore ▶ |
| Scotch Gambit: Nakhmanson Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Nc3 | C12.025.TW | Explore ▶ |
| Scotch Gambit: Sarratt Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 | C14.011.SG | Explore ▶ |
| Scotch Gambit: Vitzhum Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bc5 5.Ng5 Nh6 6.Qh5 | C14.013.SG | Explore ▶ |
| Scotch Gambit: Walbrodt-Baird Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Bc5 6.c3 | C12.013.TW | Explore ▶ |
| Scotch Game | 1.e4 e5 2.Nf3 Nc6 3.d4 | C14.001.SG | Explore ▶ |
| Scotch Game: 3…exd4 | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 | C14.002.SG | Explore ▶ |
| Scotch Game: 4.Nxd4 | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 | C14.024.SG | Explore ▶ |
| Scotch Sea-Cadet Mate | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.c3 dxc3 5.Nxc3 d6 6.Bc4 Bg4 7.O-O Ne5 8.Nxe5 Bxd1 9.Bxf7+ Ke7 10.Nd5# | C14.023.SG | Explore ▶ |
| Seirawan Attack | 1.d4 Nf6 2.c4 e6 3.Bg5 | E05.020.IN | Explore ▶ |
| Semi-Averbakh Defence | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nf3 Qa5+ | B06.014.RO | Explore ▶ |
| Semi-Averbakh Defence: Accepted | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nf3 d6 5.dxc5 Qa5+ | B06.013.RO | Explore ▶ |
| Semi-Averbakh Defence: Declined | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nf3 d6 5.Be2 Qa5+ | B06.012.RO | Explore ▶ |
| Semi-Averbakh Defence: Polish Defence | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nf3 Qb6 | B06.015.RO | Explore ▶ |
| Semi-Averbakh System | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Be3 | E15.024.KI | Explore ▶ |
| Semi-Averbakh: Pterodactyl Defence | 1.Nf3 c5 2.c4 g6 3.d4 Bg7 4.e4 Qa5+ | A04.007.RE | Explore ▶ |
| Semi-Classical Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e3 d6 6.Be2 | E15.102.KI | Explore ▶ |
| Semi-Classical Attack: Benoni Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e3 d6 6.Be2 c6 | E15.103.KI | Explore ▶ |
| Semi-Classical Attack: Exchange Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e3 d6 6.Be2 Nbd7 7.O-O e5 8.dxe5 dxe5 | E15.105.KI | Explore ▶ |
| Semi-Classical Attack: Hollywood Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e3 d6 6.Be2 Nc6 | E15.106.KI | Explore ▶ |
| Semi-Classical Attack: Queen'side Storm Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.e3 d6 6.Be2 Nbd7 7.O-O e5 8.b4 | E15.104.KI | Explore ▶ |
| Semi-Leningrad Defence | 1.d4 f5 2.g3 Nf6 3.Bg2 g6 | E03.058.DU | Explore ▶ |
| Semi-Slav Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 | D06.001.SE | Explore ▶ |
| Semi-Slav Defence Accepted | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 | D06.002.SE | Explore ▶ |
| Semi-Slav Defence: 10.Bb2 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 b6 7.b3 Bb7 8.Bd3 Be7 9.O-O O-O 10.Bb2 | D06.040.SE | Explore ▶ |
| Semi-Slav Defence: 5.e3 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 | D06.010.SE | Explore ▶ |
| Semi-Slav Defence: 6.Bd3 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 | D06.014.SE | Explore ▶ |
| Semi-Slav Normal Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 | D06.013.SE | Explore ▶ |
| Semi-Tarrasch Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 | D01.142.QD | Explore ▶ |
| Semi-Tarrasch Defence: 5.cxd5 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 | D01.144.QD | Explore ▶ |
| Semi-Tarrasch Defence: 7.Bd3 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 | D01.146.QD | Explore ▶ |
| Semi-Tarrasch Defence: Exchange Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 | D01.147.QD | Explore ▶ |
| Semi-Tarrasch Defence: Kmoch Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bb5 | D01.149.QD | Explore ▶ |
| Semi-Tarrasch Defence: Levenfish Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O 8.Qe2 Qe7 9.dxc5 Bxc5 10.e4 | D01.152.QD | Explore ▶ |
| Semi-Tarrasch Defence: Pillsbury 6.e3 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 | D01.145.QD | Explore ▶ |
| Semi-Tarrasch Defence: Pillsbury Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.Bg5 | D01.143.QD | Explore ▶ |
| Semi-Tarrasch Defence: San Sebastian Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ | D01.148.QD | Explore ▶ |
| Semi-Tarrasch Defence: San Sebastian Defence 9…Qa5 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Qa5 | D01.150.QD | Explore ▶ |
| Semi-Tarrasch Defence: Symmetrical Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O | D01.151.QD | Explore ▶ |
| Semmering Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.Nbd2 Nbd7 6.Bd3 c5 | D03.025.SL | Explore ▶ |
| Senechaud Gambit | 1.d4 f5 2.Bf4 e6 3.g4 | E03.002.DU | Explore ▶ |
| Shabulov Gambit | 1.Nf3 e6 2.c4 a6 3.Nc3 c5 4.g3 b5 | A04.068.RE | Explore ▶ |
| Showalter Attack | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.Nc3 | D02.049.QA | Explore ▶ |
| Siberian Attack | 1.d4 d5 2.Qd3 Nc6 3.Nc3 | D00.071.QP | Explore ▶ |
| Sicilian Anhanguera Attack | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.Nc3 Qa5 5.Be3 | B01.338.SI | Explore ▶ |
| Sicilian Defence | 1.e4 c5 | B01.001.SI | Explore ▶ |
| Sicilian Defence | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 Qa5 | B07.010.PT | Explore ▶ |
| Sicilian Defence: 2.Nf3 | 1.e4 c5 2.Nf3 | B01.098.SI | Explore ▶ |
| Sicilian Defence: 3.d4 | 1.e4 c5 2.Nf3 d6 3.d4 | B01.134.SI | Explore ▶ |
| Sicilian Defence: 3…cxd4 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 | B01.135.SI | Explore ▶ |
| Sicilian Defence: Anhanguera Attack | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 Qa5 5.Be3 | B07.014.PT | Explore ▶ |
| Sicilian Defence: Benoni Gambit | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 Qa5 5.d5 | B07.015.PT | Explore ▶ |
| Sicilian Defence: Pteranodon Attack | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.dxc5 Bxc3+ 5.bxc3 Qa5 6.Nf3 | B07.008.PT | Explore ▶ |
| Sicilian Defence: Quetzalcoatlus Defence | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 Qa5 5.Be2 d6 | B07.013.PT | Explore ▶ |
| Sicilian Defence: Rhamporhynchus Attack | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 Qa5 5.dxc5 | B07.016.PT | Explore ▶ |
| Sicilian Defence: Siroccopteryx Attack | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 Qa5 5.Bc4 | B07.011.PT | Explore ▶ |
| Sicilian Defence: Unpin | 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Nf3 Qa5 5.Bd2 | B07.012.PT | Explore ▶ |
| Sicilian Dragon | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 | B01.201.SI | Explore ▶ |
| Sicilian Dragon: 6.Be3 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 | B01.212.SI | Explore ▶ |
| Sicilian Dragon: Alekhine Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O O-O 8.Nb3 | B01.203.SI | Explore ▶ |
| Sicilian Dragon: Classical Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 | B01.202.SI | Explore ▶ |
| Sicilian Dragon: Classical Attack - Amsterdam Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Qd2 | B01.218.SI | Explore ▶ |
| Sicilian Dragon: Classical Attack - Grigoriev Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Qd2 O-O 9.O-O-O | B01.219.SI | Explore ▶ |
| Sicilian Dragon: Classical Attack: 7.Be2 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 | B01.213.SI | Explore ▶ |
| Sicilian Dragon: Classical Attack: 9.Nxb3 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 8.O-O O-O 9.Nb3 | B01.206.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Alekhine Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 8.O-O O-O 9.Nb3 a5 | B01.207.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Battery | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 8.O-O O-O 9.Qd2 | B01.211.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Bernard Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Bd3 Bxd3 13.cxd3 d5 | B01.216.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Maroczy Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Na5 | B01.208.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Spielmann Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Bd3 | B01.215.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Stockholm Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Na5 11.f5 Bc4 12.Nxa5 Bxe2 13.Qxe2 Qxa5 14.g4 | B01.209.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Tartakower Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 8.O-O O-O 9.Nb3 Be6 10.f4 Qc8 | B01.210.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence - Zollner Gambit | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.f4 Qb6 10.e5 | B01.214.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence: 7…Nc6 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 | B01.204.SI | Explore ▶ |
| Sicilian Dragon: Classical Defence: 8.O-O | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.Be3 Nc6 8.O-O | B01.205.SI | Explore ▶ |
| Sicilian Dragon: Fianchetto | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.g3 | B01.237.SI | Explore ▶ |
| Sicilian Dragon: Levenfish Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 | B01.235.SI | Explore ▶ |
| Sicilian Dragon: Levenfish Attack: 6…Nbd7 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nbd7 | B01.236.SI | Explore ▶ |
| Sicilian Dragon: Nottingham Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.Nb3 | B01.217.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O | B01.221.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Belezky Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 | B01.234.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Byrne Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 a5 | B01.225.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Czerniak Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Nxd4 10.Bxd4 Be6 | B01.232.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Early Deviation | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 | B01.220.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Long Castling | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.O-O-O | B01.223.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Old Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Rc8 | B01.230.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Panov Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.g4 | B01.233.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Soltis Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5 11.Bb3 Rfc8 12.h4 h5 | B01.229.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack - Sosonko Defence | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Nd7 | B01.231.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack: 10.O-O-O | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O | B01.227.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack: 12.h4 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5 11.Bb3 Rfc8 12.h4 | B01.228.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack: 8…Nc6 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 | B01.222.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack: 9.Bc4 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 | B01.224.SI | Explore ▶ |
| Sicilian Dragon: Yugoslav Attack: 9…Bd7 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 | B01.226.SI | Explore ▶ |
| Sicilian Invitation | 1.Nf3 c5 | A04.006.RE | Explore ▶ |
| Sicilian Invitation: Two Knights Attack | 1.Nf3 c5 2.Nc3 | A04.010.RE | Explore ▶ |
| Sicilian Knight Defence | 1.Nf3 Na6 2.e4 c5 | A04.079.RE | Explore ▶ |
| Sicilian New Grand Prix Attack | 1.e4 c5 2.Be2 | B01.017.SI | Explore ▶ |
| Sicilian Unpin Attack | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.Nc3 Qa5 5.Bd2 | B01.337.SI | Explore ▶ |
| Silberschmidt Gambit | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.Ne5 Qh4+ 6.Kf1 Nh6 7.d4 f3 | C04.092.KA | Explore ▶ |
| Simagin Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nge2 d5 6.a3 Bd6 | E12.044.NI | Explore ▶ |
| Simagin Defence | 1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.Nf3 O-O 6.Nc3 Nc6 7.O-O Bg4 | E15.016.KI | Explore ▶ |
| Six Pawns Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 | E15.022.KI | Explore ▶ |
| Slav Defence | 1.d4 d5 2.c4 c6 | D03.001.SL | Explore ▶ |
| Slav Defence: 3.Nc3 | 1.d4 d5 2.c4 c6 3.Nc3 | D03.006.SL | Explore ▶ |
| Slav Defence: 3…dxc4 | 1.d4 d5 2.c4 c6 3.Nc3 dxc4 | D03.007.SL | Explore ▶ |
| Slav Gambit | 1.d4 d5 2.c4 dxc4 3.Nf3 b5 | D02.022.QA | Explore ▶ |
| Slav Indian Defence | 1.d4 Nf6 2.c4 c6 | E05.017.IN | Explore ▶ |
| Slav Indian Defence: Kudischewitsch Gambit | 1.d4 Nf6 2.c4 c6 3.Nf3 b5 | E05.018.IN | Explore ▶ |
| Slav Invitation | 1.Nf3 c6 | A04.011.RE | Explore ▶ |
| Small Center: Pirc Defence | 1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Nc3 e6 | B06.037.RO | Explore ▶ |
| Smith-Morra Gambit | 1.e4 c5 2.d4 | B01.033.SI | Explore ▶ |
| Smith-Morra Gambit Accepted | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 | B01.039.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Caro-Kann Formation | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 a6 | B01.043.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Chicago Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 d6 5.Bc4 e6 6.Nf3 Nf6 7.O-O a6 | B01.041.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Chicago Defence 9...Ra7 | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6 7.O-O a6 8.Qe2 b5 9.Bb3 Ra7 | B01.048.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Classical Formation | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 a6 7.O-O Nf6 | B01.046.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Danish Attack | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nf3 | B01.040.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Fianchetto Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 g6 | B01.045.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Fianchetto Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 g6 | B01.057.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Finegold Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Nf3 d6 6.Bc4 a6 7.O-O Be7 8.Qe2 Nf6 | B01.044.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Larsen Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 7.O-O Qc7 8.Qe2 Bd6 | B01.051.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Morphy's Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bc5 | B01.053.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Morphy's Deferred Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 7.O-O b5 8.Bb3 Bc5 | B01.050.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Paulsen Formation | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6 | B01.049.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Pin Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Bb4 | B01.052.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Scheveningen Formation | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6 | B01.047.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Siberian Defence | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Qc7 | B01.055.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Siberian Trap | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 Qc7 7.Qe2 Nf6 8.O-O Ng4 | B01.056.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Sozin Formation | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 d6 7.O-O a6 8.Qe2 b5 | B01.054.SI | Explore ▶ |
| Smith-Morra Gambit Accepted: Taimanov Formation | 1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Bc4 a6 6.Nf3 Ne7 | B01.042.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Alapin Formation | 1.e4 c5 2.d4 cxd4 3.c3 Nf6 | B01.059.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Center Formation | 1.e4 c5 2.d4 cxd4 3.c3 e5 | B01.058.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Coles Gambit | 1.e4 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qd1 Nf6 5.Bc4 | B01.065.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Dubois Attack | 1.e4 c5 2.d4 cxd4 3.c3 d3 4.c4 | B01.037.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Halasz Gambit | 1.e4 c5 2.d4 cxd4 3.f4 | B01.061.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Morphy Gambit | 1.e4 c5 2.d4 cxd4 3.Nf3 | B01.062.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Morphy Gambit - Andreaschek Gambit | 1.e4 c5 2.d4 cxd4 3.Nf3 e5 4.c3 | B01.063.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Push Defence | 1.e4 c5 2.d4 cxd4 3.c3 d3 | B01.036.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Scandinavian Formation | 1.e4 c5 2.d4 cxd4 3.c3 d5 | B01.038.SI | Explore ▶ |
| Smith-Morra Gambit Declined: Wing Formation | 1.e4 c5 2.d4 cxd4 3.c3 Qa5 | B01.060.SI | Explore ▶ |
| Smith-Morra Gambit Deferred | 1.e4 c5 2.d4 cxd4 3.Nf3 e6 4.c3 | B01.064.SI | Explore ▶ |
| Smith-Morra Gambit: 3.c3 | 1.e4 c5 2.d4 cxd4 3.c3 | B01.035.SI | Explore ▶ |
| Smith-Morra Gambit: Center Game | 1.e4 c5 2.d4 cxd4 | B01.034.SI | Explore ▶ |
| Smyslov Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Bg5 | E15.020.KI | Explore ▶ |
| Smyslov Attack: 5.Bg5 | 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.Bg5 | E15.107.KI | Explore ▶ |
| Smyslov Defence | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 g6 | D02.048.QA | Explore ▶ |
| Smyslov Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Na6 | D03.052.SL | Explore ▶ |
| Smyslov Defence | 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.e3 Bg7 5.Nf3 O-O 6.Bd3 c6 7.O-O Bg4 | E16.048.GR | Explore ▶ |
| Smyslov Defence | 1.Nf3 Nf6 2.g3 b5 | A04.088.RE | Explore ▶ |
| Smyslov Defence: 6…Bg4 | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Na6 6.e4 Bg4 | D03.053.SL | Explore ▶ |
| Snail Defence | 1.d4 c5 2.d5 Na6 | E01.014.OB | Explore ▶ |
| Snyder Attack | 1.e4 c5 2.b3 | B01.005.SI | Explore ▶ |
| Snyder Attack: Queen Fianchetto | 1.e4 c5 2.b3 b6 | B01.006.SI | Explore ▶ |
| Sodium Attack: Celadon Attack | 1.Na3 e5 2.d3 Bxa3 3.bxa3 d5 4.e3 c5 5.Rb1 | A00.132.IO | Explore ▶ |
| Sodium Attack: Chenoboskian Attack | 1.Na3 g6 2.g4 | A00.134.IO | Explore ▶ |
| Sodium Attack: Durkin Gambit | 1.Na3 e5 2.Nc4 Nc6 3.e4 f5 | A00.133.IO | Explore ▶ |
| Sodium Attack: Durkin Opening | 1.Na3 | A00.131.IO | Explore ▶ |
| Soller Zilbermints Gambit | 1.e4 e5 2.f4 f6 3.fxe5 Nc6 | C03.044.KD | Explore ▶ |
| Sosonko Attack | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.a4 | E07.002.BG | Explore ▶ |
| Soultanbeieff Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 e6 | D03.051.SL | Explore ▶ |
| Sozin Attack: 5…Nc6 6.Bc4 | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 | B01.239.SI | Explore ▶ |
| Spanish Attack | 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Bb5 | C13.003.PO | Explore ▶ |
| Spanish Attack | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 | C16.004.FO | Explore ▶ |
| Spanish Attack: Harrwitz Attack - Nikitin Gambit | 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Bb5 dxe4 5.Nxe5 Qd5 6.Qa4 | C13.004.PO | Explore ▶ |
| Spanish Classical Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 | C16.024.FO | Explore ▶ |
| Spanish Classical Defence: Bardeleben Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nxe5 7.d4 Bd6 8.f4 Nc6 9.e5 Bb4 | C16.026.FO | Explore ▶ |
| Spanish Classical Defence: Marshall Gambit | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.Nxe5 Nd4 6.Ba4 O-O | C16.027.FO | Explore ▶ |
| Spanish Classical Defence: Rubinstein Accepted | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxd4 | C16.032.FO | Explore ▶ |
| Spanish Classical Defence: Rubinstein Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 | C16.028.FO | Explore ▶ |
| Spanish Classical Defence: Rubinstein Defence - Marshall Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bc5 5.O-O O-O 6.Nxe5 Nd4 | C16.025.FO | Explore ▶ |
| Spanish Classical Defence: Rubinstein Defence: 6.f4 | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Nxe5 Qe7 6.f4 | C16.033.FO | Explore ▶ |
| Spanish Counter-Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 d5 | C08.184.RL | Explore ▶ |
| Spanish Counter-Gambit: Harding Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 d5 4.Nxe5 Qg5 5.Nxc6 | C08.186.RL | Explore ▶ |
| Spanish Counter-Gambit: Harding-Fricke Counter-Gambit | 1.e4 e5 2.Nf3 Nc6 3.Bb5 d5 4.Nxe5 Qg5 5.O-O | C08.185.RL | Explore ▶ |
| Spanish Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 | C16.007.FO | Explore ▶ |
| Spanish Defence: 6.d3 | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 | C16.009.FO | Explore ▶ |
| Spanish Defence: 6…Bxc3 | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 | C16.010.FO | Explore ▶ |
| Spanish Symmetrical Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 | C16.013.FO | Explore ▶ |
| Spanish Symmetrical Defence: Bernstein Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Ne7 | C16.015.FO | Explore ▶ |
| Spanish Symmetrical Defence: Blake Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Ne7 8.Nh4 c6 9.Bc4 d5 10.Bb3 Qd6 | C16.019.FO | Explore ▶ |
| Spanish Symmetrical Defence: Capablanca Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Qe7 9.Re1 Nd8 10.d4 Bg4 | C16.017.FO | Explore ▶ |
| Spanish Symmetrical Defence: Maroczy System | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Ne2 | C16.020.FO | Explore ▶ |
| Spanish Symmetrical Defence: Metger Unpin | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Bxc3 8.bxc3 Qe7 | C16.016.FO | Explore ▶ |
| Spanish Symmetrical Defence: Pillsbury Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Ne7 | C16.018.FO | Explore ▶ |
| Spanish Symmetrical Defence: Tarrasch Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 d6 7.Bg5 Be6 | C16.014.FO | Explore ▶ |
| Spassky Defence | 1.Nf3 Nf6 2.g3 g6 | A04.090.RE | Explore ▶ |
| Spassky System | 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 | E14.008.QI | Explore ▶ |
| Speelsmet Gambit | 1.Nf3 c5 2.d4 cxd4 3.e3 | A04.008.RE | Explore ▶ |
| Speer Opening | 1.e4 e5 2.Qg4 Nf6 3.Qf5 | C00.026.KP | Explore ▶ |
| Sperling Attack | 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 Bf5 5.d5 | D04.028.BL | Explore ▶ |
| Spielmann Attack | 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nde2 | B01.270.SI | Explore ▶ |
| Spielmann Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 | E12.082.NI | Explore ▶ |
| Spielmann Attack: Karlsbad Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxd2 | E12.086.NI | Explore ▶ |
| Spielmann Attack: Romanovsky Gambit | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 | E12.083.NI | Explore ▶ |
| Spielmann Attack: Stahlberg: 7…Nxc5 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxc5 | E12.084.NI | Explore ▶ |
| Spielmann Attack: Stahlberg: 9.g3 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxc5 8.Qc2 f5 9.g3 | E12.085.NI | Explore ▶ |
| Spielmann Attack: Stahlberg: 9.O-O-O | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxd2 8.Nxd2 O-O 9.O-O-O | E12.087.NI | Explore ▶ |
| Spielmann Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 a6 5.Bxc6 dxc6 6.Nxe5 Nxe4 7.Nxe4 Qd4 8.O-O Qxe5 9.Re1 Be6 10.d4 Qd5 | C16.006.FO | Explore ▶ |
| Spielmann Defence | 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 g6 | D01.163.QD | Explore ▶ |
| Spielmann Gambit | 1.d4 f5 2.Nc3 Nf6 3.g4 | E03.067.DU | Explore ▶ |
| Spielmann Indian Defence | 1.d4 Nf6 2.Nf3 c5 | E05.064.IN | Explore ▶ |
| Spike Attack | 1.b3 Nf6 2.Bb2 g6 3.g4 | A01.017.LA | Explore ▶ |
| Spike Attack | 1.e4 c6 2.g4 | B02.092.CK | Explore ▶ |
| Spike Attack: Scorpion-Grob Gambit | 1.e4 c6 2.g4 d5 3.Nc3 dxe4 4.d3 | B02.093.CK | Explore ▶ |
| St. George Defence | 1.e4 a6 | B00.004.IK | Explore ▶ |
| St. George Defence | 1.e4 e6 2.d4 a6 | B05.013.FR | Explore ▶ |
| St. George Defence | 1.Nf3 a6 | A04.003.RE | Explore ▶ |
| St. George Defence: 6…Nf6 | 1.e4 e6 2.d4 a6 3.Nf3 b5 4.Bd3 c5 5.c3 Bb7 6.O-O Nf6 | B05.016.FR | Explore ▶ |
| St. George Defence: New St. George - Three Pawn Attack | 1.e4 a6 2.d4 e6 3.c4 | B00.008.IK | Explore ▶ |
| St. George Defence: Polish Defence | 1.e4 a6 2.d4 b5 3.Nf3 Bb7 4.Bd3 e6 | B00.006.IK | Explore ▶ |
| St. George Defence: San Jorge Defence - Fianchetto | 1.e4 a6 2.d4 b5 3.Nf3 Bb7 4.Bd3 d6 5.O-O g6 6.c3 Bg7 | B00.005.IK | Explore ▶ |
| St. George Defence: Woodchuck Defence | 1.e4 a6 2.d4 Nc6 | B00.009.IK | Explore ▶ |
| St. George Defence: Zilbermints Gambit | 1.e4 a6 2.d4 e5 | B00.007.IK | Explore ▶ |
| St. George Gambit | 1.e4 e6 2.d4 a6 3.c4 b5 | B05.014.FR | Explore ▶ |
| St. George Gambit: 4…axb5 | 1.e4 e6 2.d4 a6 3.c4 b5 4.cxb5 axb5 | B05.015.FR | Explore ▶ |
| St. Petersburg Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 | E12.045.NI | Explore ▶ |
| St. Petersburg Defence: 6.Nf3 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 | E12.046.NI | Explore ▶ |
| St. Petersburg Defence: 6.Qc2 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.e3 Ne4 6.Qc2 | E12.073.NI | Explore ▶ |
| St. Petersburg Defence: 6…Ne4 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 Ne4 | E12.052.NI | Explore ▶ |
| St. Petersburg Defence: 6…O-O | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O | E12.047.NI | Explore ▶ |
| St. Petersburg Defence: 7.O-O | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O | E12.048.NI | Explore ▶ |
| St. Petersburg Defence: 7…Bb7 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 Ne4 5.Qc2 f5 6.Nf3 b6 7.Bd3 Bb7 | E12.067.NI | Explore ▶ |
| St. Petersburg Defence: 7…c5 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O c5 | E12.049.NI | Explore ▶ |
| St. Petersburg Defence: 8.O-O | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 Bxc3+ 5.bxc3 b6 6.e3 Bb7 7.Bd3 O-O 8.O-O | E12.075.NI | Explore ▶ |
| St. Petersburg Defence: 9.O-O | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.e3 Ne4 6.Qc2 Bb7 7.Bd3 Bxc3+ 8.bxc3 f5 9.O-O | E12.074.NI | Explore ▶ |
| St. Petersburg Defence: 9…Be7 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O c5 8.Na4 cxd4 9.a3 Be7 | E12.050.NI | Explore ▶ |
| St. Petersburg Defence: American Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ne4 | E12.054.NI | Explore ▶ |
| St. Petersburg Defence: Bronstein Byrne Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nge2 Ba6 | E12.056.NI | Explore ▶ |
| St. Petersburg Defence: Fischer Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nge2 | E12.055.NI | Explore ▶ |
| St. Petersburg Defence: Romanishin-Psakhis Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 c5 6.a3 Ba5 | E12.053.NI | Explore ▶ |
| St. Petersburg Defence: Schlechter Defence: 7…d5 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 O-O 7.O-O d5 | E12.051.NI | Explore ▶ |
| Stafford Gambit | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 | C17.047.RU | Explore ▶ |
| Stafford Gambit: 4…dxc6 | 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 | C17.048.RU | Explore ▶ |
| Stamma Gambit | 1.e4 e5 2.f4 exf4 3.h4 | C04.040.KA | Explore ▶ |
| Staunton Gambit | 1.d4 c5 2.d5 f5 3.e4 | E01.013.OB | Explore ▶ |
| Staunton Gambit | 1.d4 f5 2.e4 | E03.041.DU | Explore ▶ |
| Staunton Gambit Accepted | 1.d4 f5 2.e4 fxe4 | E03.043.DU | Explore ▶ |
| Staunton Gambit Accepted: 4.Bg5 | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 | E03.044.DU | Explore ▶ |
| Staunton Gambit Accepted: Alekhine Attack | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.h4 | E03.048.DU | Explore ▶ |
| Staunton Gambit Accepted: American Attack | 1.d4 f5 2.e4 fxe4 3.Nd2 | E03.051.DU | Explore ▶ |
| Staunton Gambit Accepted: Blackmar's Second Gambit | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.f3 | E03.049.DU | Explore ▶ |
| Staunton Gambit Accepted: Chigorin Defence | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 c6 | E03.046.DU | Explore ▶ |
| Staunton Gambit Accepted: Lasker Attack | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.f3 | E03.047.DU | Explore ▶ |
| Staunton Gambit Accepted: Nimzowitsch Defence | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 b6 | E03.045.DU | Explore ▶ |
| Staunton Gambit Accepted: Tartakower Attack | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 | E03.050.DU | Explore ▶ |
| Staunton Gambit Declined: Balogh Defence | 1.d4 f5 2.e4 d6 | E03.042.DU | Explore ▶ |
| Staunton-Cochrane-English Attack | 1.e4 c5 2.c4 | B01.029.SI | Explore ▶ |
| Stein Gambit | 1.e4 e5 2.Bc4 Bc5 3.f4 | C01.016.BS | Explore ▶ |
| Steiner Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bg4 | D03.050.SL | Explore ▶ |
| Steiner English Opening | 1.e4 e6 2.c4 | B05.007.FR | Explore ▶ |
| Steinitz Attack | 1.e4 e6 2.e5 | B05.184.FR | Explore ▶ |
| Steinitz Attack | 1.e4 e5 2.Nf3 d6 3.Bc4 Be7 4.c3 | C07.004.PH | Explore ▶ |
| Steinitz Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nc3 | C14.052.SG | Explore ▶ |
| Steinitz Attack: 6.a3 | 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.a3 | B05.053.FR | Explore ▶ |
| Steinitz Attack: 6.Ne2 | 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.Ne2 | B05.055.FR | Explore ▶ |
| Steinitz Attack: Classical Attack: 6.Bg5 | 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 6.Bg5 | B05.054.FR | Explore ▶ |
| Steinitz Counter Defence | 1.d4 d5 2.Bf4 c5 | D00.003.QP | Explore ▶ |
| Steinitz Defence | 1.e4 e6 2.d4 d5 3.Nc3 a6 4.Nf3 Nf6 5.e5 Nfd7 | B05.052.FR | Explore ▶ |
| Steinitz Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6 9.Nh3 | C12.050.TW | Explore ▶ |
| Steinitz Defence | 1.e4 e5 2.Nf3 Nc6 3.c3 d5 4.Qa4 f6 | C13.006.PO | Explore ▶ |
| Steinitz Defence | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 | C14.043.SG | Explore ▶ |
| Steinitz Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 | C15.005.TH | Explore ▶ |
| Steinitz Defence - Rosenthal Attack | 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 4.d4 exd4 5.Nd5 | C15.006.TH | Explore ▶ |
| Stockholm Attack | 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bg5 | E16.021.GR | Explore ▶ |
| Stoltz Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 | D06.039.SE | Explore ▶ |
| Stoltz Attack: 6…b6 7.b3 | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.Nc3 Nbd7 6.Qc2 b6 7.b3 | D03.026.SL | Explore ▶ |
| Stoltz Attack: 6…Bd6 7.b3 | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.Nc3 Nbd7 6.Qc2 Bd6 7.b3 | D03.027.SL | Explore ▶ |
| Stoltz Attack: 8.Bb2 | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 e6 5.Nc3 Nbd7 6.Qc2 Bd6 7.b3 O-O 8.Bb2 | D03.028.SL | Explore ▶ |
| Stoltz Center Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.e4 | D06.041.SE | Explore ▶ |
| Stoltz Center Attack: Mikhalchishin Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.e4 dxe4 8.Nxe4 Nxe4 9.Qxe4 e5 10.dxe5 | D06.042.SE | Explore ▶ |
| Stoltz Center Attack: Shabalov Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.g4 | D06.043.SE | Explore ▶ |
| Stonewall Attack | 1.d4 d5 2.e3 Nf6 3.Bd3 | D00.012.QP | Explore ▶ |
| Stonewall Attack: 4.c3 | 1.d4 d5 2.e3 Nf6 3.Bd3 c5 4.c3 | D00.013.QP | Explore ▶ |
| Stonewall Defence | 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Ne4 6.Bd3 f5 | D01.165.QD | Explore ▶ |
| Stonewall Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Ne4 6.Bd3 f5 | D06.044.SE | Explore ▶ |
| Stonewall Defence: Modern Defence | 1.d4 f5 2.c4 e6 3.Nf3 Nf6 4.g3 c6 5.Bg2 d5 6.O-O Bd6 | E03.008.DU | Explore ▶ |
| Studier Rasa Gambit | 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Be3 | D04.021.BL | Explore ▶ |
| Suchting Defence | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 Qb6 | D03.058.SL | Explore ▶ |
| Svenonius Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 7.bxc3 d5 | C16.011.FO | Explore ▶ |
| Sveshnikov System | 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3 | B04.027.PI | Explore ▶ |
| Swedish Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4 | D05.010.TA | Explore ▶ |
| Swedish Defence: Central Break Attack | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 c4 7.e4 | D05.011.TA | Explore ▶ |
| Swiss Gambit | 1.f4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 | A03.027.BI | Explore ▶ |
| Symmetrical Defence | 1.b3 b6 | A01.003.LA | Explore ▶ |
| Symmetrical Defence | 1.c4 c5 | A02.004.EN | Explore ▶ |
| Symmetrical Defence | 1.d4 d5 2.Nf3 Nf6 | D00.049.QP | Explore ▶ |
| Symmetrical Defence | 1.d4 d5 2.c4 e6 3.Nc3 c5 4.e3 Nf6 5.Nf3 Nc6 | D05.028.TA | Explore ▶ |
| Symmetrical Defence: 2.Nc3 | 1.c4 c5 2.Nc3 | A02.007.EN | Explore ▶ |
| Symmetrical Defence: 2.Nf3 | 1.c4 c5 2.Nf3 | A02.024.EN | Explore ▶ |
| Symmetrical Defence: 3.g3 | 1.c4 c5 2.Nc3 Nc6 3.g3 | A02.005.EN | Explore ▶ |
| Symmetrical Defence: 5...d5 | 1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d5 | A04.093.RE | Explore ▶ |
| Symmetrical Defence: 5…cxd4 | 1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.g3 d5 5.d4 cxd4 | A02.035.EN | Explore ▶ |
| Symmetrical Defence: Anti Benoni | 1.c4 c5 2.Nf3 Nf6 3.d4 | A02.026.EN | Explore ▶ |
| Symmetrical Defence: Anti Benoni Geller Defence | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6 | A02.030.EN | Explore ▶ |
| Symmetrical Defence: Anti Benoni Spielmann Defence | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 | A02.028.EN | Explore ▶ |
| Symmetrical Defence: Anti Benoni Spielmann Defence: 5…Nc6 | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 | A02.029.EN | Explore ▶ |
| Symmetrical Defence: Botvinnik System | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 | A02.011.EN | Explore ▶ |
| Symmetrical Defence: Botvinnik System - Reversed | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e5 | A02.010.EN | Explore ▶ |
| Symmetrical Defence: Botvinnik System - Reversed: 5…e5 | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 e5 | A02.013.EN | Explore ▶ |
| Symmetrical Defence: Double Fianchetto | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.b3 | A02.015.EN | Explore ▶ |
| Symmetrical Defence: Double Fianchetto Defence | 1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 | A02.033.EN | Explore ▶ |
| Symmetrical Defence: Duchamp Attack | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 | A02.016.EN | Explore ▶ |
| Symmetrical Defence: Fianchetto | 1.c4 c5 2.Nc3 Nf6 3.g3 | A02.019.EN | Explore ▶ |
| Symmetrical Defence: Four Knights Defence | 1.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 | A02.018.EN | Explore ▶ |
| Symmetrical Defence: Full Symmetry | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 | A02.009.EN | Explore ▶ |
| Symmetrical Defence: Full Symmetry | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 | A02.014.EN | Explore ▶ |
| Symmetrical Defence: Hedgehog Defence | 1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 | A02.031.EN | Explore ▶ |
| Symmetrical Defence: Hedgehog Formation - Flexible Defence | 1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7 | A02.032.EN | Explore ▶ |
| Symmetrical Defence: Keres Defence - Parma System | 1.c4 c5 2.Nc3 Nf6 3.Nf3 e6 4.g3 Nc6 | A02.023.EN | Explore ▶ |
| Symmetrical Defence: Mecking Attack | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 | A02.017.EN | Explore ▶ |
| Symmetrical Defence: Napolitano Gambit | 1.c4 c5 2.Nf3 Nf6 3.b4 | A02.025.EN | Explore ▶ |
| Symmetrical Defence: Rubinstein Defence | 1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7 | A02.020.EN | Explore ▶ |
| Symmetrical Defence: Rubinstein Defence: 6…Nc7 | 1.c4 c5 2.Nf3 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Nc6 6.Bg2 Nc7 | A02.034.EN | Explore ▶ |
| Symmetrical Defence: Three Knights Defence | 1.c4 c5 2.Nc3 Nf6 3.Nf3 | A02.021.EN | Explore ▶ |
| Symmetrical Defence: Three Knights Defence: 4…Nxd5 | 1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 | A02.022.EN | Explore ▶ |
| Symmetrical Defence: Two Knights Defence | 1.c4 c5 2.Nc3 Nc6 | A02.008.EN | Explore ▶ |
| Symmetrical Defence: Two Knights Defence | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 | A02.027.EN | Explore ▶ |
| Symmetrical Defence: Two Knights Defence: 5.Nf3 | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 | A02.012.EN | Explore ▶ |
| Symmetrical Defence: Wing Gambit | 1.c4 c5 2.b4 | A02.006.EN | Explore ▶ |
| Symmetrical Pseudo-Catalan Attack | 1.d4 d5 2.Nf3 Nf6 3.g3 | D00.069.QP | Explore ▶ |
| Szabo Defence | 1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.Nf3 O-O 6.Nc3 Nc6 7.O-O e5 | E15.017.KI | Explore ▶ |
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