H – Chess Openings by Name
| Opening Name | Chess Notation | MICOS Code | MICOS CAP |
|---|---|---|---|
| Haiti Defence | 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Nc6 | E13.010.BO | Explore ▶ |
| Halasz-McDonnell Gambit | 1.e4 e5 2.d4 exd4 3.f4 | C02.013.CG | Explore ▶ |
| Halasz-McDonnell Gambit: Crocodile Attack | 1.e4 e5 2.d4 exd4 3.f4 Bc5 4.Nf3 Nc6 5.c3 | C02.014.CG | Explore ▶ |
| Halibut Gambit | 1.c4 b5 | A02.002.EN | Explore ▶ |
| Hall Attack | 1.e4 e5 2.d4 exd4 3.Qxd4 Nc6 4.Qc4 | C02.023.CG | Explore ▶ |
| Halloween Gambit | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 | C16.045.FO | Explore ▶ |
| Halloween Gambit: Oldtimer Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 Nxe5 5.d4 Ng6 6.e5 Ng8 7.Bc4 Bb4 8.Qf3 f5 | C16.047.FO | Explore ▶ |
| Halloween Gambit: Plasma Defence | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Nxe5 Nxe5 5.d4 Nc6 6.d5 Ne5 7.f4 Ng6 8.e5 Ng8 9.d6 cxd6 10.exd6 Qf6 11.Nb5 Rb8 | C16.046.FO | Explore ▶ |
| Hanham Defence | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 | C07.023.PH | Explore ▶ |
| Hanham Defence: Berger Defence | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Ng5 Nh6 6.f4 Be7 7.O-O O-O 8.c3 d5 | C07.029.PH | Explore ▶ |
| Hanham Defence: Delmar Attack | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.c3 | C07.026.PH | Explore ▶ |
| Hanham Defence: Kmoch Attack | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Ng5 | C07.028.PH | Explore ▶ |
| Hanham Defence: Krause Attack | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O | C07.024.PH | Explore ▶ |
| Hanham Defence: Lion Defence | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Nc3 Ngf6 | C07.031.PH | Explore ▶ |
| Hanham Defence: Lion Defence - Lion's Claw Defence: 6…c6 | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Nc3 Ngf6 5.Be2 Be7 6.O-O c6 | C07.033.PH | Explore ▶ |
| Hanham Defence: Lion Defence - Lion's Claw Defence: 6…h6 | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Nc3 Ngf6 5.Bc4 Be7 6.O-O h6 | C07.032.PH | Explore ▶ |
| Hanham Defence: Lion Defence - Shirov Gambit | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Nc3 Ngf6 5.g4 | C07.034.PH | Explore ▶ |
| Hanham Defence: Schlechter Attack | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.Nc3 | C07.027.PH | Explore ▶ |
| Hanham Defence: Sharp Defence | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 Nb6 | C07.030.PH | Explore ▶ |
| Hanham Defence: Steiner Attack | 1.e4 e5 2.Nf3 d6 3.d4 Nd7 4.Bc4 c6 5.O-O Be7 6.dxe5 | C07.025.PH | Explore ▶ |
| Hanstein Gambit | 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 Bg7 5.O-O | C04.061.KA | Explore ▶ |
| Harrwitz Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bf4 | D01.048.QD | Explore ▶ |
| Harrwitz Attack: 5.Bf4 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 | D01.134.QD | Explore ▶ |
| Harrwitz Attack: 7…Bxc5 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 | D01.136.QD | Explore ▶ |
| Harrwitz Attack: Central Development Attack: 10.Rd1 | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.Rd1 | D01.138.QD | Explore ▶ |
| Harrwitz Attack: Fianchetto Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 b6 | D01.135.QD | Explore ▶ |
| Harrwitz Attack: Long Castling 10.O-O-O | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.O-O-O | D01.137.QD | Explore ▶ |
| Harrwitz Attack: Orthodox Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 c6 | D01.139.QD | Explore ▶ |
| Harrwitz Attack: Two Knights Defence | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 Nbd7 | D01.140.QD | Explore ▶ |
| Harrwitz Attack: Two Knights Defence - Blockade Structure | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 Nbd7 7.c5 | D01.141.QD | Explore ▶ |
| Hastings Attack | 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 h6 5.Bxf6 Qxf6 6.Nf3 c6 7.Qb3 | D01.106.QD | Explore ▶ |
| Hawk Defence | 1.d4 c5 2.d5 Nf6 3.Nf3 c4 | E01.018.OB | Explore ▶ |
| Hector Gambit | 1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Ng5 | B02.101.CK | Explore ▶ |
| Henneberger Attack | 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Be3 | B05.106.FR | Explore ▶ |
| Herrstrom Gambit | 1.Nf3 g5 | A04.076.RE | Explore ▶ |
| Hevendehl Gambit | 1.d4 f5 2.g4 e5 | E03.060.DU | Explore ▶ |
| Hillbilly Attack | 1.e4 c6 2.Bc4 | B02.006.CK | Explore ▶ |
| Hillbilly Attack: Schaeffer Gambit | 1.e4 c6 2.Bc4 d5 3.Bb3 dxe4 4.Qh5 | B02.007.CK | Explore ▶ |
| Hippopotamus Defence | 1.e4 Nh6 | B00.032.IK | Explore ▶ |
| Hippopotamus Defence: 3…f6 | 1.e4 Nh6 2.d4 g6 3.c4 f6 | B00.033.IK | Explore ▶ |
| Hjoerring Counter-Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.e4 | E07.022.BG | Explore ▶ |
| Hobbs Gambit | 1.f4 g5 | A03.028.BI | Explore ▶ |
| Hobbs-Zilbermints Gambit | 1.e4 e5 2.f4 Nc6 3.Nf3 g5 4.fxg5 h6 | C03.049.KD | Explore ▶ |
| Hoffmann Gambit | 1.e4 e6 2.d4 d5 3.Qe2 e5 4.f4 exf4 | B05.178.FR | Explore ▶ |
| Holwell Defence | 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Qd6 | D04.061.BL | Explore ▶ |
| Hopton Attack | 1.d4 f5 2.Bg5 | E03.003.DU | Explore ▶ |
| Hornung Gambit | 1.e4 Nc6 2.d4 d5 3.Be3 | B08.008.ND | Explore ▶ |
| Horsefly Defence | 1.f4 Nh6 | A03.034.BI | Explore ▶ |
| Hort-Antoshin System | 1.d4 f5 2.c4 Nf6 3.g3 d6 4.Bg2 c6 5.Nc3 Qc7 | E03.012.DU | Explore ▶ |
| Horwitz Attack | 1.e4 e6 2.b3 | B05.002.FR | Explore ▶ |
| Horwitz Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 | C14.045.SG | Explore ▶ |
| Horwitz Attack: Blackburne Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 Qxe4+ 7.Be2 Kd8 8.O-O Bxd2+ 9.Qxd2 | C14.050.SG | Explore ▶ |
| Horwitz Attack: MacDonnell Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 Qxe4+ 7.Be2 Kd8 8.O-O Bxd2+ 9.Nxd2 Qf4 10.a4 | C14.048.SG | Explore ▶ |
| Horwitz Attack: Papa-Ticulat Gambit | 1.e4 e6 2.b3 d5 3.Bb2 | B05.003.FR | Explore ▶ |
| Horwitz Attack: Vienna Attack | 1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Qh4 5.Nb5 Bb4+ 6.Bd2 Qxe4+ 7.Be2 Kd8 8.O-O Bxd2+ 9.Nxd2 Qf4 10.c4 | C14.049.SG | Explore ▶ |
| Horwitz Defence | 1.d4 e6 | E00.014.IQ | Explore ▶ |
| Horwitz Defence: Bellon Gambit | 1.d4 f5 2.c4 e6 3.e4 | E03.006.DU | Explore ▶ |
| Hromodka System | 1.d4 Nf6 2.c4 c5 3.d5 d6 | E06.002.BE | Explore ▶ |
| Huebner Defence | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 | E12.057.NI | Explore ▶ |
| Huebner Defence: 7…d6 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 | E12.058.NI | Explore ▶ |
| Huebner Defence: Panov Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 cxd4 6.exd4 d5 | E12.062.NI | Explore ▶ |
| Huebner Defence: Rubinstein Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 | E12.060.NI | Explore ▶ |
| Huebner Defence: Rubinstein Attack: 7.a3 | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nge2 cxd4 6.exd4 O-O 7.a3 | E12.063.NI | Explore ▶ |
| Huebner Defence: Rubinstein System | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.O-O O-O | E12.059.NI | Explore ▶ |
| Huebner Defence: Sherbakov Attack | 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 cxd4 6.exd4 O-O 7.c5 | E12.061.NI | Explore ▶ |
| Hungarian Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 | C09.002.IT | Explore ▶ |
| Hungarian Defence: Tartakower Defence | 1.e4 e5 2.Nf3 Nc6 3.Bc4 Be7 4.d4 exd4 5.c3 Nf6 6.e5 Ne4 | C09.003.IT | Explore ▶ |
| Hungarian Gambit | 1.d4 Nf6 2.c4 e6 3.g3 e5 | E11.035.CA | Explore ▶ |
| Hungarian Opening: Asten Gambit | 1.g3 Nc6 2.Nc3 d5 3.d4 e5 4.dxe5 d4 5.Ne4 f5 | A00.093.IO | Explore ▶ |
| Hungarian Opening: Buecker Gambit | 1.g3 e5 2.Bg2 d5 3.b4 | A00.082.IO | Explore ▶ |
| Hungarian Opening: Burk Gambit | 1.g3 e5 2.a3 d5 3.Nf3 e4 4.Nh4 Be7 5.d3 | A00.081.IO | Explore ▶ |
| Hungarian Opening: Catalan Formation | 1.g3 d5 2.Bg2 e6 | A00.079.IO | Explore ▶ |
| Hungarian Opening: Dutch Defence | 1.g3 f5 | A00.087.IO | Explore ▶ |
| Hungarian Opening: Indian Defence | 1.g3 Nf6 | A00.094.IO | Explore ▶ |
| Hungarian Opening: King's Fianchetto - Benko Opening | 1.g3 | A00.073.IO | Explore ▶ |
| Hungarian Opening: Lasker Simultan Special Defence | 1.g3 h5 | A00.091.IO | Explore ▶ |
| Hungarian Opening: Myers Defence | 1.g3 g5 | A00.089.IO | Explore ▶ |
| Hungarian Opening: Paris Gambit | 1.g3 e5 2.Nh3 d5 3.f4 Bxh3 4.Bxh3 exf4 5.O-O | A00.086.IO | Explore ▶ |
| Hungarian Opening: Paschmann Gambit | 1.g3 f5 2.e4 fxe4 3.Qh5+ g6 | A00.088.IO | Explore ▶ |
| Hungarian Opening: Regan Attack | 1.g3 d5 2.Bg2 e5 3.d4 | A00.078.IO | Explore ▶ |
| Hungarian Opening: Reversed Alekhine | 1.g3 e5 2.Nf3 | A00.083.IO | Explore ▶ |
| Hungarian Opening: Reversed Brooklyn Defence Benko Gambit | 1.g3 e5 2.Nf3 e4 3.Ng1 Nf6 4.b4 | A00.084.IO | Explore ▶ |
| Hungarian Opening: Reversed Modern Defence | 1.g3 d5 2.Bg2 c5 | A00.075.IO | Explore ▶ |
| Hungarian Opening: Reversed Norwegian Defence | 1.g3 e5 2.Nf3 e4 3.Nh4 | A00.085.IO | Explore ▶ |
| Hungarian Opening: Sicilian Invitation | 1.g3 c5 | A00.074.IO | Explore ▶ |
| Hungarian Opening: Slav Formation | 1.g3 d5 2.Bg2 c6 | A00.076.IO | Explore ▶ |
| Hungarian Opening: Symmetrical | 1.g3 g6 | A00.090.IO | Explore ▶ |
| Hungarian Opening: Van Kruijk Gambit | 1.g3 h5 2.Nf3 h4 | A00.092.IO | Explore ▶ |
| Hungarian Opening: Wiedenhagen Beta Gambit | 1.g3 d5 2.Nf3 g5 | A00.080.IO | Explore ▶ |
| Hungarian Opening: Winterberg Gambit | 1.g3 d5 2.Bg2 e5 3.c4 dxc4 4.b3 | A00.077.IO | Explore ▶ |
| Hunt Attack | 1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.c5 | B09.023.AL | Explore ▶ |
| Hunt Attack: Lasker Simultan Gambit | 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Nc3 e6 6.Bc4 | B09.014.AL | Explore ▶ |
| Hunt Attack: Matsukevich Gambit | 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Nc3 Nxc3 6.dxc3 d6 7.Bg5 | B09.015.AL | Explore ▶ |
| Hunt Attack: Mikenas Defence | 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 d6 | B09.012.AL | Explore ▶ |
| Hunt Attack: Mikenas Gambit | 1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Bc4 e6 6.Nc3 d6 7.Nxd5 exd5 8.Bxd5 | B09.013.AL | Explore ▶ |
| Hyperaccelerated Dragon Defence | 1.e4 c5 2.Nf3 g6 | B01.327.SI | Explore ▶ |
| Hyperaccelerated Fianchetto | 1.e4 c5 2.Nf3 g6 3.d4 | B01.330.SI | Explore ▶ |
| Hyperaccelerated Pterodactyl Defence | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 | B01.331.SI | Explore ▶ |
| Hyperaccelerated Pterodactyl Defence: Modern Defence | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.Nc3 Qa5 | B01.336.SI | Explore ▶ |
| Hyperaccelerated Pterodactyl Defence: Pteranodon Attack | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 Bxc3+ 6.bxc3 | B01.334.SI | Explore ▶ |
| Hyperaccelerated Pterodactyl Defence: Rhamphorhynchus Attack | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ | B01.332.SI | Explore ▶ |
| Hyperaccelerated Pterodactyl Defence: Rhamphorhynchus Attack: 5.Nc3 | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 | B01.333.SI | Explore ▶ |
| Hyperaccelerated Pterodactyl Exchange Defence | 1.e4 c5 2.Nf3 g6 3.d4 Bg7 4.dxc5 Qa5+ 5.Nc3 Bxc3+ 6.bxc3 Qxc3+ | B01.335.SI | Explore ▶ |
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