Shakki/Avaushakemisto/A00 A99
< Shakki | Avaushakemisto
Epäsäännölliset ja puolisuljetut avaukset[muokkaa | muokkaa wikitekstiä]
| ECO-koodi | Pelin nimi | Siirtosekvenssi |
|---|---|---|
| A00 | Anderssen's Opening | 1.a3 |
| A00 | Polish Gambit, Anderssen's Opening | 1.a3 a5 2.b4 |
| A00 | Creepy Crawly Formation | 1.a3 e5 2.h3 d5 |
| A00 | Andersspike | 1.a3 g6 2.g4 |
| A00 | Ware; Meadow Hay; Crab | 1.a4 |
| A00 | Wing Gambit, Ware Opening | 1.a4 b5 |
| A00 | Cologne Gambit, Ware Opening | 1.a4 b6 2.d4 d5 2.Nc3 Nd7 |
| A00 | Ware Gambit | 1.a4 e5 2.a5 d5 3.e3 f5 4.a6 |
| A00 | Polish; Orangutan; Sokolsky; Hunt | 1.b4 |
| A00 | Birmingham Gambit, Polish | 1.b4 c5 |
| A00 | Outflank Variation, Polish | 1.b4 c6 |
| A00 | Schuhler Gambit, Polish | 1.b4 c6 2.Bb2 a5 3.b5 cxb5 4.e4 |
| A00 | Myers Variation, Polish | 1.b4 d5 2.Bb2 c6 3.a4 |
| A00 | Bugayev Attack, Polish | 1.b4 e5 2.a3 |
| A00 | Wolferts Gambit, Polish | 1.b4 e5 2.Bb2 c5 |
| A00 | Schiffler-Sokolsky; Tartakower Gambit | 1.b4 e5 2.Bb2 f6 3.e4 Bxb4 |
| A00 | Brinckmann Variation, Polish | 1.b4 e5 2.Bb2 f6 3.e4 Bxb4 4.Bc4 Nc6 5.f4 Qe7 6.f5 g6 |
| A00 | Bucker Defense, Polish | 1.b4 Na6 |
| A00 | Grigorian Variation, Polish | 1.b4 Nc6 |
| A00 | Polish Spike | 1.b4 Nf6 2.Bb2 g6 3.g4 |
| A00 | Karniewski; Tubingen Variation, Polish | 1.b4 Nh6 |
| A00 | Saragossa; Hempel's Opening | 1.c3 |
| A00 | Hanham; Hayward | 1.c3 e5 2.Qc2 |
| A00 | Mieses; Valencia; Venezuelan Opening | 1.d3 |
| A00 | Venezolana | 1.d3 c5 2.Nc3 Nc6 3.g3 |
| A00 | Reversed Rat | 1.d3 e5 |
| A00 | Spike Deferred; Myers Spike Attack | 1.d3 g6 2.g4 |
| A00 | Keoni-Hiva Gambit | 1.e3 d5 2.Nc3 Nf6 3.a3 e5 4.f4 exf4 5.Nf3 |
| A00 | Van't Kruijs Opening | 1.e3 e5 |
| A00 | Bouncing Bishop Variation | 1.e3 e5 2.Bc4 b5 3.Bb3 |
| A00 | Amsterdam Attack | 1.e3 e5 2.c4 d6 3.Nc3 Nc6 4.b3 Nf6 |
| A00 | Ekolu Variation | 1.e3 e5 2.Nc3 d5 3.f4 exf4 4.Nf3 |
| A00 | Alua Variation | 1.e3 e5 2.Nc3 Nc6 3.f4 exf4 4.Nf3 |
| A00 | Akahi Variation | 1.e3 e5 2.Nc3 Nf6 3.f4 exf4 4.Nf3 |
| A00 | Barnes; Gedult-Gunderam; Walkerling | 1.f3 |
| A00 | King's Head Opening | 1.f3 e5 2.e4 |
| A00 | Hammerschlag; Pork Chop Opening | 1.f3 e5 2.Kf2 |
| A00 | Benko; Barczay; Bilek; Hungarian | 1.g3 |
| A00 | Gambit 59 | 1.g3 d5 2.Bg2 e5 3.b4 |
| A00 | Regan Variation | 1.g3 d5 2.Bg2 e5 3.d4 |
| A00 | Reversed Alekhine | 1.g3 e5 2.Nf3 |
| A00 | Lasker Simul Special | 1.g3 h5 |
| A00 | Grob; Ahlhausen; Colibri; Fric; Genoa; Spike | 1.g4 |
| A00 | Grob Gambit | 1.g4 d5 2.Bg2 Bxg4 |
| A00 | Romford Counter-Gambit, Grob | 1.g4 d5 2.Bg2 Bxg4 3.c4 d4 |
| A00 | Spike, Grob | 1.g4 d5 2.Bg2 c6 3.g5 |
| A00 | Short Spike, Grob | 1.g4 d5 2.Bg2 c6 3.h3 |
| A00 | Zilbermints Gambit, Grob | 1.g4 d5 2.e4 |
| A00 | Keene Defense, Grob | 1.g4 d5 2.h3 e5 |
| A00 | Hurst Attack, Grob | 1.g4 e5 2.Bg2 d5 3.c4 |
| A00 | Alessi Gambit, Grob | 1.g4 f5 |
| A00 | Double Grob | 1.g4 g5 |
| A00 | Spike Deferred | 1.g4 g6 2.d3 |
| A00 | Bucker Defense, Grob | 1.g4 Nh6 |
| A00 | Clemenz Opening | 1.h3 |
| A00 | Kadas Opening | 1.h4 |
| A00 | Despres Opening | 1.h4 |
| A00 | Koola-Koola | 1.h4 a5 |
| A00 | Wulumulu | 1.h4 e5 2.d4 |
| A00 | Durkin's Opening; Sodium Attack | 1.Na3 |
| A00 | Dunst; Heinrichsen; Will Bull; Kotrc | 1.Nc3 |
| A00 | St. George Defense, Dunst | 1.Nc3 a6 |
| A00 | Novosibirsk Variation, Dunst | 1.Nc3 c5 2.d4 cxd4 3.Qxd4 Nc6 4.Qh4 |
| A00 | Twyble Attack, Dunst | 1.Nc3 c5 2.Rb1 |
| A00 | Dunst Gambit | 1.Nc3 d5 2.e4 dxe4 3.d3 |
| A00 | Pseudo-Diemer Gambit, Dunst | 1.Nc3 d5 2.e4 dxe4 3.f3 exf3 4.Qxf3 |
| A00 | Amazon, Dunst | 1.Nc3 d5 2.e4 dxe4 3.Nxe4 Qd5 |
| A00 | Reversed Nimzovich | 1.Nc3 e5 |
| A00 | Battambang, Dunst | 1.Nc3 e5 2.a3 |
| A00 | Irish Attack; Polish Attack | 1.Nc3 e5 2.f4 |
| A00 | Napoleon Attack, Dunst | 1.Nc3 e5 2.Nf3 |
| A00 | Glasscoe Gambit, Dunst | 1.Nc3 f5 2.g4 |
| A00 | Anti-Pirc Variation, Dunst | 1.Nc3 g6 2.h4 |
| A00 | Tubingen Gambit, Dunst | 1.Nc3 Nf6 2.g4 |
| A00 | Amar; Paris Opening | 1.Nh3 |
| A00 | Drunken Knight Opening | 1.Nh3 |
| A00 | Krazy Kat | 1.Nh3 e5 2.f3 d5 3.Nf2 |
| A01 | Larsen; Queen's Fianchetto; Nimzo-Larsen Attack A01 | 1.b3 |
| A01 | Symmetrical Variation, Larsen | 1.b3 b6 |
| A01 | English Variation, Larsen | 1.b3 c5 |
| A01 | Classical Variation, Larsen | 1.b3 d5 |
| A01 | Modern Variation, Larsen | 1.b3 e5 |
| A01 | Ringelbach Gambit, Larsen | 1.b3 e5 2.Bb2 f5 3.e4 |
| A01 | Paschmann Gambit, Larsen | 1.b3 e5 2.Bb2 Nc6 3.f4 |
| A01 | Dutch Variation, Larsen | 1.b3 f5 |
| A01 | Indian Variation, Larsen | 1.b3 Nf6 |
| A01 | Spike Variation, Larsen | 1.b3 Nf6 2.Bb2 g6 3.g4 |
| A02 | Bird's Opening; Dutch Attack | 1.f4 |
| A02 | From's Gambit, Bird | 1.f4 e5 |
| A02 | Canard Formation; Double Duck | 1.f4 f5 2.d4 d5 |
| A02 | Pawn Thrust Attack, Bird | 1.f4 f5 2.d4 d5 |
| A02 | Swiss Gambit, Bird | 1.f4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 |
| A02 | Hobbs Gambit, Bird | 1.f4 g5 |
| A02 | Batavo Polish Attack, Bird | 1.f4 Nf6 2.Nf3 g6 3.b4 |
| A03 | A03 | 1.f4 d5 |
| A03 | Sturm; Mujannah | 1.f4 d5 2.c4 |
| A03 | Prokofiev Gambit, Bird | 1.f4 d5 2.e4 dxe4 3.d3 |
| A03 | Williams Gambit, Bird | 1.f4 d5 2.e4 dxe4 3.Nc3 |
| A03 | Horsefly Defense, Bird | 1.f4 Nh6 |
| A04 | Réti; Zukertort; A04 | 1.Nf3 |
| A04 | Wade Defense | 1.Nf3 d6 |
| A04 | Lisitsin Gambit; Polish Gambit | 1.Nf3 f5 2.e4 |
| A04 | Rydel-Bloodgood Gambit | 1.Nf3 f5 2.e4 exf4 3.Ne5 |
| A04 | Polish G; Dalesio G; Pirc-Lisitsin G | 1.Nf3 f5 2.e4 fxe4 3.Ng5 |
| A04 | Herrstrom Gambit, Réti | 1.Nf3 g5 |
| A04 | Oberndorfer Gambit; Réti | 1.Nf3 g5 |
| A04 | Lessing Defense | 1.Nf3 Nc6 |
| A05 | King's Indian Attack; Réti; Zukertort; A05 | 1.Nf3 Nf6 |
| A06 | A06 | 1.Nf3 d5 |
| A06 | Nimzovich Opening, Réti | 1.Nf3 d5 2.b3 |
| A06 | Bloodgood Gambit, Réti | 1.Nf3 d5 2.b3 c5 3.e4 dxe4 4.Ne5 |
| A06 | Santasiere's Folly, Réti | 1.Nf3 d5 2.b4 |
| A06 | Old Indian Attack | 1.Nf3 d5 2.d3 |
| A06 | Tennison G; Lemberg G; Abonyi G | 1.Nf3 d5 2.e4 |
| A06 | Reversed Mexican Defense, Réti | 1.Nf3 d5 2.Nc3 |
| A06 | Ampel Variation, Réti | 1.Nf3 d5 2.Rg1 |
| A06 | Improved Lisitsin G, Réti | 1.Nf3 f5 2.d3 |
| A07 | Barcza Opening, Réti; A07 | 1.Nf3 d5 2.g3 |
| A08 | A08 | 1.Nf3 d5 2.g3 c5 |
| A09 | Réti; Landstrasser G; Wolf G; A09 | 1.Nf3 d5 2.c4 |
| A09 | London V; New York V, Réti | 1.Nf3 d5 2.c4 c6 3.b3 Nf6 4.Bg2 e6 5.Bb2 Nbd7 |
| A09 | Benoni Reversed; Wing Blumenfeld | 1.Nf3 d5 2.c4 d4 |
| A09 | Réti Polonaise | 1.Nf3 d5 2.c4 d4 3.b4 |
| A09 | Penguin Variation, Réti | 1.Nf3 d5 2.c4 d4 3.Rg1 |
| A09 | Réti Gambit Accepted | 1.Nf3 d5 2.c4 dxc4 |
| A09 | Neo-Catalan, Réti | 1.Nf3 d5 2.c4 e6 3.g3 |
| A10 | English Opening; A10 | 1.c4 |
| A10 | Halibut Gambit, English | 1.c4 b5 |
| A10 | Anglo Scandanavian Defense, English | 1.c4 d5 |
| A10 | Loehn Gambit, English | 1.c4 d5 2.cxd5 e6 |
| A10 | Schulz Gambit, English | 1.c4 d5 2.cxd5 Nf6 |
| A10 | Malvinas Variation, English | 1.c4 d5 2.cxd5 Qxd5 3.Nc3 Qa5 |
| A10 | Anglo-Dutch Defense | 1.c4 f5 |
| A10 | Anglo-Polish Dutch | 1.c4 f5 2.b4 |
| A10 | Hickmann Gambit, English | 1.c4 f5 2.e4 |
| A10 | Hickmann Gambit, English | 1.c4 f5 2.e4 fxe4 3.d3 |
| A10 | Porcupine Variation, English | 1.c4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 |
| A10 | Wade Gambit, English | 1.c4 f5 2.g4 |
| A10 | English Spike | 1.c4 f5 2.g4 |
| A10 | Chabanon Gambit, English | 1.c4 f5 2.Nf3 d6 3.e4 |
| A10 | Myers Defense, English | 1.c4 g5 2.d4 Bg7 |
| A10 | Zilbermints Gambit, English | 1.c4 g5 2.d4 e5 |
| A10 | Great Snake, English | 1.c4 g6 |
| A10 | Adorjan System, English | 1.c4 g6 2.e4 e5 |
| A10 | Beefeater | 1.c4 g6 2.Nc3 Bg7 3.d4 c5 4.d5 Bxc3 5.bxc3 f5 |
| A10 | Anglo-Lithuanian Variation, English | 1.c4 Nc6 |
| A11 | Anglo-Slav, English; A11 | 1.c4 c6 |
| A12 | A12 | 1.c4 c6 2.Nf3 d5 3.b3 |
| A12 | Bled Variation, English | 1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 g6 |
| A13 | Agincourt; Kurajica Defense, English; A13 | 1.c4 e6 |
| A13 | English Defense | 1.c4 e6 2.d4 b6 |
| A13 | King's Knight Variation, English | 1.c4 e6 2.Nf3 d5 |
| A13 | Wimpy System, English | 1.c4 e6 2.Nf3 d5 3.b3 Nf6 4.Bb2 c5 e3 |
| A13 | Afincourt Variation, English | 1.c4 e6 2.Nf3 d5 3.g3 |
| A13 | Kurajica Defense, English | 1.c4 e6 2.Nf3 d5 3.g3 c6 |
| A13 | Neo Catalan, English | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 |
| A13 | Neo Catalan Accepted, English | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 |
| A13 | Romanishin Gambit, English | 1.c4 e6 2.Nf3 Nf6 3.g3 a6 4.Bg2 b5 |
| A14 | A14 | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 |
| A14 | Neo Catalan Declined, English | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O |
| A14 | Keres Defense, English | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O c5 6.cxd5 Nxd5 7.Nc3 Nc6 |
| A15 | Anglo System, English; A15 | 1.c4 Nf6 |
| A15 | Mikenas-Carls Variation, English | 1.c4 Nf6 |
| A15 | English Orangutan | 1.c4 Nf6 2.b4 |
| A15 | Shirazi Shove | 1.c4 Nf6 2.g3 h5 |
| A15 | King's Knight Variation, English | 1.c4 Nf6 2.Nf3 |
| A15 | Romanishin Variation, English | 1.c4 Nf6 2.Nf3 e6 3.g3 a6 |
| A16 | A16 | 1.c4 Nf6 2.Nc3 |
| A16 | Golombek Defense, English; Anti English | 1.c4 Nf6 2.Nc3 d5 |
| A16 | Czech Variation, English | 1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6 |
| A16 | Korchnoi's Variation, English | 1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.g3 Bg7 6.Bg2 e5 |
| A16 | Stein Attack, English | 1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.Qa4+ |
| A16 | Anti-anti-grunfeld | 1.c4 Nf6 2.Nc3 g6 3.Nf3 Bg7 4.e4 |
| A17 | Smyslov Defense, English | 1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 |
| A17 | Hegehog System, Anglo-Indian English; A17 | 1.c4 Nf6 2.Nc3 e6 |
| A17 | Nimzo-English Opening | 1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 |
| A17 | Zviagintsev-Krasenkov Attack, English | 1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.g4 |
| A18 | Flohr-Mikenas-Carls Variation, English; A18 | 1.c4 Nf6 2.Nc3 e6 3.e4 |
| A18 | Kevitz Defense, English | 1.c4 Nf6 2.Nc3 e6 3.e4 Nc6 |
| A18 | Queen's Indian Formation, English | 1.c4 Nf6 2.Nc3 e6 3.Nf3 b6 |
| A19 | Floh-Mikenas-Carls Variation, English; A19 | 1.c4 Nf6 2.Nc3 e6 3.e4 c5 |
| A19 | Nei Gambit, English | 1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 |
| A20 | King's English; A20 | 1.c4 e5 |
| A20 | Kahiko-Hula Gambit, English | 1.c4 e5 2.e3 Nf6 4.f4 exf4 4.Nf3 |
| A20 | Double Whammy, English | 1.c4 e5 2.f4 |
| A20 | Drill Variation, English | 1.c4 e5 2.g3 h5 |
| A20 | Nimzovich Variation, English | 1.c4 e5 2.Nf3 |
| A20 | Nimzovich-Flohr Variation, English | 1.c4 e5 2.Nf3 e4 |
| A20 | English Queen | 1.c4 e5 2.Qa4 |
| A21 | Reversed Sicilian, English; A21 | 1.c4 e5 2.Nc3 |
| A21 | Kramnik-Shirov Variation, English | 1.c4 e5 2.Nc3 Bb4 |
| A21 | Troger Variation, English | 1.c4 e5 2.Nc3 d6 3.g3 Be6 4.Bg2 Nc6 |
| A21 | Keres Defense, English | 1.c4 e5 2.Nc3 d6 3.g3 c6 |
| A21 | General Variation, King's English | 1.c4 e5 2.Nc3 d6 3.Nf3 |
| A21 | Smyslov Variation, English | 1.c4 e5 2.Nc3 d6 3.Nf3 Bg4 |
| A21 | Anglo-Dutch | 1.c4 e5 2.Nc3 f5 |
| A22 | Two Knights Variation, English; A22 | 1.c4 e5 2.Nc3 Nf6 |
| A22 | Mazedonisch Variation, English | 1.c4 e5 2.Nc3 Nf6 3.f4 |
| A22 | Bremen; Carls Variation, English | 1.c4 e5 2.Nc3 Nf6 3.g3 |
| A22 | Kapengut; Smyslov; Modern V, English | 1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 |
| A22 | Bellon Gambit, English | 1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 b5 |
| A22 | Erbenheimer Gambit, English | 1.c4 e5 2.Nc3 Nf6 3.Nf3 e4 4.Ng5 Ng4 |
| A23 | Keres Variation, English; A23 | 1.c4 e5 2.Nc3 Nf6 3.g3 c6 |
| A23 | Reversed Dragon, English | 1.c4 e5 2.Nc3 Nf6 3.g3 d5 |
| A24 | Fianchetto Lines, Two Knights Variation, English; A24 | 1.c4 e5 2.Nc3 Nf6 3.g3 g6 |
| A24 | Prickly Pawn Pass System, English | 1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 O-O 7.Nge2 c6 8.O-O a6 |
| A25 | Reversed Closed Sicilian, English; A25 | 1.c4 e5 2.Nc3 Nc6 |
| A25 | Troger Variation, English | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Be6 |
| A25 | Taimanov Variation, English | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 |
| A25 | Hungarian Attack, English | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 4.Rb1 |
| A25 | Closed System, Full Symmetry, King's English | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 |
| A25 | Botvinnik System, King's English | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 |
| A25 | Bremen-Hort Variation, English | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Be6 |
| A25 | Botvinnik Variation, English | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 |
| A26 | Closed System, King's English; A26 | 1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 |
| A27 | Three Knights System, English; A27 | 1.c4 e5 2.Nc3 Nc6 3.Nf3 |
| A28 | Four Knights Variation, English; A28 | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 |
| A28 | Korchnoi Line, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.a3 |
| A28 | Flexible Line, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d3 |
| A28 | Bradley Beach Variation, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 e4 |
| A28 | Four Knights Variation, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.d4 exd4 5.Nxd4Bb4 6.Bg5 h6 7.Bh4 Bxc3+ 8.bxc3 Ne5 |
| A28 | Quiet Line, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 |
| A28 | Romanishin Variation, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 Bxc3 |
| A28 | Keene; Stean Variation, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e3 Bb4 5.Qc2 O-O 6.Nd5 Re8 7.Qf5 |
| A28 | Botvinnik Line, English | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.e4 |
| A29 | Fianchetto Line, Four Knights English; A29 | 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 |
| A30 | Symmetrical Defense, English; A30 | 1.c4 c5 |
| A30 | Wing Variation, English | 1.c4 c5 2.b4 |
| A30 | Napolitano Gambit, Symmetrical English | 1.c4 c5 2.Nf3 Nf6 3.b4 |
| A30 | Hedgehog Variation, Symmetrical English | 1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 |
| A30 | Double Fianchetto Defense, English | 1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O g6 |
| A31 | Anti-Benoni Variation, Symmetrical English; A31 | 1.c4 c5 2.Nf3 Nf6 3.d4 |
| A31 | Two Knights Variation, English | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 |
| A32 | Spielmann Defense, Symmetrical English; A32 | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 |
| A33 | A33 | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 |
| A33 | Geller Variation, Symmetrical English | 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.g3 Qb6 |
| A34 | Normal Variation, Symmetrical English; A34 | 1.c4 c5 2.Nc3 |
| A34 | Fianchetto Variation, Symmetrical English | 1.c4 c5 2.Nc3 Nf6 3.g3 |
| A34 | Rubinstein Variation, Symmetrical English | 1.c4 c5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc7 |
| A34 | Asymmetrical Variation, English | 1.c4 c5 2.Nc3 Nf6 3.Nf3 d5 4.cxd5 Nxd5 |
| A34 | Keres-Parma System, English | 1.c4 c5 2.Nc3 Nf6 3.Nf3 e6 4.g3 Nc6 |
| A34 | Four Knights Variation, Symmetrical English | 1.c4 c5 2.Nc3 Nf6 3.Nf3 Nf6 |
| A35 | Two Knights Variation, Symmetrical English; A35 | 1.c4 c5 2.Nc3 Nc6 |
| A36 | Fianchetto Variation, Symmetrical English; A36 | 1.c4 c5 2.Nc3 Nc6 3.g3 |
| A36 | Symmetrical Variation, Symmetrical English | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 |
| A36 | Botvinnik System Reversed, Symmetrical English | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 e5 |
| A36 | Botvinnik Variation, Symmetrical English | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 |
| A37 | Two Knights Line, Symmetrical English; A37 | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 |
| A38 | Full Symmetry Line, Symmetrical English; A38 | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 |
| A38 | Double Fianchetto, Symmetrical English | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.b3 |
| A38 | Duchamp Variation, Symmetrical English | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d3 |
| A39 | Mecking Variation, Symmetrical English; A39 | 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 |
| A40 | Hartlaub Gambit, English | 1.c4 b6 2.d4 Bb7 3.Nc3 e6 4.e4 f5 5.exf5 Nf6 |
| A40 | Queen Pawn Opening; A40 | 1.d4 |
| A40 | St George's Gambit | 1.d4 a6 2.c4 b5 3.e4 e6 4.cxb5 axb5 |
| A40 | Polish Defense | 1.d4 b5 |
| A40 | Spassky Gambit, Polish Defense | 1.d4 b5 2.e4 Bb7 3.Bxb5 |
| A40 | Queen Fianchetto, Queen Pawn Game | 1.d4 b6 |
| A40 | Eastbourne Gambit | 1.d4 b6 2.c4 Bb7 3.Bxb5 |
| A40 | Charlick Gambit; Englund Gambit | 1.d4 e5 |
| A40 | Englund Gambit Declined | 1.d4 e5 2.d5 |
| A40 | Diemer Counterattack | 1.d4 e5 2.d5 Bc5 3.e4 Qh4 |
| A40 | Thuring Gambit; Hartlaub-Charlick Gambit | 1.d4 e5 2.dxe5 d6 |
| A40 | Soller; Purchas Gambit | 1.d4 e5 2.dxe5 f6 |
| A40 | Englund; Behting Gambit | 1.d4 e5 2.dxe5 Nc6 |
| A40 | Felbecker Gambit | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Bc5 |
| A40 | Soller Gambit Deferred | 1.d4 e5 2.dxe5 Nc6 3.Nf3 f6 |
| A40 | Zilbermints Gambit II, Englund Gambit | 1.d4 e5 2.dxe5 Nc6 3.Nf3 h6 |
| A40 | Zilbermints Gambit, Englund Gambit | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Nge7 |
| A40 | Englund Gambit | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 |
| A40 | Stockhom Variation, Englund Gambit | 1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Qd5 |
| A40 | Mosquito Gambit, Englund | 1.d4 e5 2.dxe5 Qh4 |
| A40 | Horwitz Defense | 1.d4 e6 |
| A40 | Franco-Indian Defense | 1.d4 e6 |
| A40 | Seneschaud Variation, Dutch | 1.d4 e6 2.Bf4 f5 3.g4 |
| A40 | English Defense | 1.d4 e6 2.c4 b6 |
| A40 | Perrin Variation | 1.d4 e6 2.c4 b6 3.e4 Bb7 4.Bd3 Nc6 |
| A40 | Poli Gambit | 1.d4 e6 2.c4 b6 3.e4 Bb7 4.f3 f5 5.exf5 Nh6 |
| A40 | Hartlaub Gambit Declined | 1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.e4 f5 5.d5 |
| A40 | Hartlaub Gambit Accepted | 1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.e4 f5 5.exf5 Nf6 |
| A40 | Keres Defense, Indian; Kangaroo Defense | 1.d4 e6 2.c4 Bb4+ |
| A40 | Transpositional Variation, Keres Defense | 1.d4 e6 2.c4 Bb4+ 3.Nc3 |
| A40 | Zilbermints Gambit | 1.d4 e6 2.c4 e5 |
| A40 | Borg Gambit | 1.d4 g5 |
| A40 | Queen Pawn Fianchetto | 1.d4 g6 |
| A40 | Kotov-Robatsch Defense | 1.d4 g6 2.c4 Bg7 |
| A40 | Pseudo-Saemisch | 1.d4 g6 2.c4 Bg7 3.e4 d6 4.Be3 Nf6 5.f3 |
| A40 | Rossolimo Variation | 1.d4 g6 2.c4 Bg7 3.e4 d6 4.Nf3 Bg4 |
| A40 | Neo-Modern Defense | 1.d4 g6 2.c4 Bg7 3.e4 e5 |
| A40 | Beefeater Variation | 1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.d5 Bxc3+ 5.bxc3 f5 |
| A40 | Modern Defense | 1.d4 g6 2.c4 Bg7 3.Nc3 d6 |
| A40 | Kotov Variation, Modern | 1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nc6 |
| A40 | Lizard Defense; Pirc-Diemer Gambit | 1.d4 g6 2.h4 Nf6 3.h5 |
| A40 | Bogoljubov; Mikenas-Van Geet Defense | 1.d4 Nc6 |
| A40 | Lundin Defense | 1.d4 Nc6 |
| A40 | Lithuanian Variation, Mikenas | 1.d4 Nc6 2.c4 e5 3.d5 Nce7 |
| A40 | Cannstatter Variation, Mikenas | 1.d4 Nc6 2.c4 e5 3.d5 Nd4 |
| A40 | Pozarek Gambit | 1.d4 Nc6 2.c4 e5 3.dxe5 Nxe5 4.Nc3 Nxc4 |
| A40 | Montevideo Defense | 1.d4 Nc6 2.d5 Nb8 |
| A40 | Zaire Defense | 1.d4 Nc6 2.d5 Nb8 3.e4 Nf6 5.e5 Ng8 |
| A40 | Polish Variation | 1.e4 g6 2.d4 Bg7 3.c4 c5 4.Nf3 Qb6 |
| A40 | Dunworth Variation, Modern Defense | 1.e4 g6 2.d4 Bg7 3.c4 d5 4.exd5 c6 5.dxc6 Bxd4 |
| A41 | Anglo-Slav Opening | 1.d4 c6 2.c4 d6 |
| A41 | Pillsbury Defense; A41; Rat Defense | 1.d4 d6 |
| A41 | Wade Defense | 1.d4 d6 2.Nf3 Bg4 |
| A41 | Averbakh Variation, Modern | 1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 |
| A41 | Pterodactyl Variation, Modern | 1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 c5 5.Nf3 Qa5 |
| A42 | A42 | 1.d4 d6 2.c4 |
| A42 | English Rat | 1.d4 d6 2.c4 e5 |
| A42 | Lisbon Gambit | 1.d4 d6 2.c4 e5 3.dxe5 Nc6 |
| A42 | Randspringer Variation | 1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 f5 |
| A43 | Staunton Defense; Benoni C-G; A43 | 1.d4 c5 |
| A43 | Zilbermints Gambit; Nakamura Gambit, Benoni | 1.d4 c5 2.b4 cxb4 |
| A43 | Old Benoni | 1.d4 c5 2.d5 d6 |
| A43 | Schmid Variation, Benoni | 1.d4 c5 2.d5 d6 3.Nc3 g6 |
| A43 | Franco-Benoni; Franco-Sicilian | 1.d4 c5 2.d5 e6 3.e4 |
| A43 | Clarendon Court Variation, Benoni | 1.d4 c5 2.d5 f5 |
| A43 | Benoni-Staunton Gambit | 1.d4 c5 2.d5 f5 3.e4 |
| A43 | Snail Variation, Benoni | 1.d4 c5 2.d5 Na6 |
| A43 | Benoni-Indian Defense | 1.d4 c5 2.d5 Nf6 |
| A43 | Woozle Defense, Benoni | 1.d4 c5 2.d5 Nf6 3.Nc3 Qa5 |
| A43 | Kingside move order, Benoni | 1.d4 c5 2.d5 Nf6 3.Nf3 |
| A43 | Habichd; Hawk Variation, Benoni | 1.d4 c5 2.d5 Nf6 3.Nf3 c4 |
| A43 | Hawk Variation, Benoni | 1.d4 c5 2.d5 Nf6 3.Nf3 e4 |
| A43 | Benoni Gambit Accepted | 1.d4 c5 2.dxc5 |
| A43 | Cormorant Gambit, Benoni | 1.d4 c5 2.dxc5 b6 |
| A43 | Schlenker Defense, Benoni | 1.d4 c5 2.dxc5 Na6 |
| A43 | Zilbermints-Benoni Gambit | 1.d4 c5 2.Nf3 cxd4 3.b4 |
| A43 | Tamarkin Countergambit, Benoni | 1.d4 c5 2.Nf3 cxd4 3.b4 e5 |
| A43 | Franco-Sicilian Hybrid | 1.d4 e6 2.c4 c5 3.d5 exd5 4.cxd5 d6 5.Nc3 g6 6.e4 Bg7 7.Nf3 Ne7 |
| A44 | Pawn Thrust, Benoni; A44 | 1.d4 c5 2.d5 e5 |
| A44 | Blockade Variation; Semi-Benoni; Russian Variation | 1.d4 c5 2.d5 e5 3.e4 d6 |
| A45 | Indian Defense; A45 | 1.d4 Nf6 |
| A45 | Basque Opening | 1.d4 Nf6 2.b3 |
| A45 | Trompowsky; Opocensky; Ruth Opening | 1.d4 Nf6 2.Bg5 |
| A45 | Poisoned Pawn Variation, Trompowsky | 1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3 |
| A45 | Chepukaitis Gambit | 1.d4 Nf6 2.Bg5 c5 3.d5 Qb6 4.Nc3 Qxb2 5.Bd2 Qb6 |
| A45 | Borg Variation, Trompowsky | 1.d4 Nf6 2.Bg5 Ne4 3.Bf4 g5 |
| A45 | Edge Variation, Trompowsky | 1.d4 Nf6 2.Bg5 Ne4 3.Bh4 |
| A45 | Hergert Gambit #2, Trompowsky | 1.d4 Nf6 2.Bg5 Ne4 3.Bh4 c6 4.Nd2 Qa5 5.c3 Nxd2 6.Qxd2 d5 7.e4 |
| A45 | Hergert Gambit #1, Trompowsky | 1.d4 Nf6 2.Bg5 Ne4 3.Bh4 d5 4.f3 Nf6 5.Nc3 Bf5 6.e4 |
| A45 | Raptor Variation, Trompowsky | 1.d4 Nf6 2.Bg5 Ne4 3.h4 |
| A45 | Hergert Gambit, Trompowsky | 1.d4 Nf6 2.Bg5 Ne4 3.h4 Nxg5 4.hxg5 e5 |
| A45 | Pawn Push Variation | 1.d4 Nf6 2.d5 |
| A45 | Omega Gambit | 1.d4 Nf6 2.e4 |
| A45 | Arafat Gambit | 1.d4 Nf6 2.e4 Nxe4 3.Bd3 Nf6 4.Bg5 |
| A45 | Paleface Attack | 1.d4 Nf6 2.f3 |
| A45 | Webster Gambit | 1.d4 Nf6 2.f3 c5 3.d5 e6 4.e4 exd5 5.e5 |
| A45 | Blackmar-Diemer Gambit Deferred | 1.d4 Nf6 2.f3 d5 3.e4 |
| A45 | Kraus-Muhlherr Counter Gambit | 1.d4 Nf6 2.f3 d5 3.e4 e5 4.dxe5 Nxe4 |
| A45 | Gedult Attack | 1.d4 Nf6 2.f3 d5 3.g4 |
| A45 | Gedult-Gunderam System | 1.d4 Nf6 2.f3 d5 3.g4 |
| A45 | Linder Counter Gambit | 1.d4 Nf6 2.f3 e6 3.e4 Nxe4 |
| A45 | Canard Attack | 1.d4 Nf6 2.f4 |
| A45 | Ueberlinger Gambit | 1.d4 Nf6 2.g3 e5 |
| A45 | Bullfrog; Weidenhagen; Krabbe; Ochsenfrosch | 1.d4 Nf6 2.g4 |
| A45 | Bronstein Gambit | 1.d4 Nf6 2.g4 |
| A45 | Oshima Defense | 1.d4 Nf6 2.g4 e5 |
| A45 | Gibbins-Wiedehagen Gambit Accepted | 1.d4 Nf6 2.g4 Nxg4 |
| A45 | Stummer Gambit | 1.d4 Nf6 2.g4 Nxg4 3.e4 d6 4.Be2 Nf6 5.Nc3 |
| A45 | Maltese Falcon | 1.d4 Nf6 2.g4 Nxg4 3.f3 Nf6 4.e4 |
| A45 | Reversed Chigorin Defense | 1.d4 Nf6 2.Nc3 c5 |
| A45 | Von Beivorseen | 1.d4 Nf6 2.Nc3 c5 3.dxc5 |
| A45 | Malich Gambit | 1.d4 Nf6 2.Nc3 d5 3.Bg5 c5 4.Bxf6 gxf6 5.e4 dxe4 6.d5 |
| A45 | Huebsch Gambit | 1.d4 Nf6 2.Nc3 d5 3.e4 Nxe4 |
| A45 | Maddigan Gambit | 1.d4 Nf6 2.Nc3 e5 |
| A45 | Lazard Gambit; Maddigan Gambit | 1.d4 Nf6 2.Nd2 e5 |
| A46 | Knights Variation, Indian Game; A46 | 1.d4 Nf6 2.Nf3 |
| A46 | Polish Defense | 1.d4 Nf6 2.Nf3 b5 |
| A46 | Spielmann-Indian | 1.d4 Nf6 2.Nf3 c5 |
| A46 | Pseudo-Benko Gambit | 1.d4 Nf6 2.Nf3 c5 3.d5 b5 |
| A46 | Czech-Indian | 1.d4 Nf6 2.Nf3 c6 |
| A46 | London System | 1.d4 Nf6 2.Nf3 e6 3.Bf4 |
| A46 | Torre Attack | 1.d4 Nf6 2.Nf3 e6 3.Bg5 |
| A46 | Petrosian Gambit | 1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e3 b6 5.d5 |
| A46 | Swiss; Wagner Gambit | 1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e4 |
| A46 | Nimzovich Variation, Torre Attack | 1.d4 Nf6 2.Nf3 e6 3.Bg5 h6 |
| A46 | Yusupov-Rubinstein System | 1.d4 Nf6 2.Nf3 e6 3.e3 |
| A46 | Dory Defense | 1.d4 Nf6 2.Nf3 Ne4 |
| A47 | Capablanca Variation, Indian Game; A47 | 1.d4 Nf6 2.Nf3 b6 |
| A47 | Torre Attack | 1.d4 Nf6 2.Nf3 b6 3.Bg5 |
| A47 | Schnepper Gambit | 1.d4 Nf6 2.Nf3 b6 3.c3 e5 |
| A47 | Marienbad Variation | 1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 |
| A47 | Berg Variation | 1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.c4 cxd4 6.Qxd4 |
| A48 | Pseudo-King's Indian Variation; A48 | 1.d4 Nf6 2.Nf3 g6 |
| A48 | London System, Torre Attack | 1.d4 Nf6 2.Nf3 g6 3.Bf4 |
| A48 | London Variation | 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nbd2 |
| A48 | Fianchetto Defense, Torre Attack | 1.d4 Nf6 2.Nf3 g6 3.Bg5 |
| A48 | Euwe Variation, Torre Attack | 1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 c5 |
| A48 | King's Indian Variation | 1.d4 Nf6 2.Nf3 g6 3.e3 Bg7 4.Bd3 d6 |
| A49 | Przepiorka Variation; A49 | 1.d4 Nf6 2.Nf3 g6 3.g3 |
| A50 | Normal Variation, Indian Game; A50 | 1.d4 Nf6 2.c4 |
| A50 | Pyrenees Gambit | 1.d4 Nf6 2.c4 b5 |
| A50 | Queen's Indian Defense; Saemisch-Indian | 1.d4 Nf6 2.c4 b6 |
| A50 | Medusa Gambit | 1.d4 Nf6 2.c4 g5 |
| A50 | Van Geet; Kevitz; Trajkovic; Mexican | 1.d4 Nf6 2.c4 Nc6 |
| A50 | Horsefly Gambit | 1.d4 Nf6 2.c4 Nc6 3.d5 Ne5 4.f4 |
| A51 | Budapest Defense; A51 | 1.d4 Nf6 2.c4 e5 |
| A51 | Fajarowicz Variation, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 |
| A51 | Bonsdorf Variation, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.a3 b6 |
| A51 | Steiner Variation, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ne4 4.Qc2 |
| A52 | Normal Variation, Budapest; A52 | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 |
| A52 | Rubinstein Variation, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 |
| A52 | Kornl Richter Gambit, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 Nc6 5.Nf3 Bb4+ 6.Nc3 Bxc3+ |
| A52 | Center Play Variation, Budapest; Alekhine Variation | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 |
| A52 | Balogh; Tartakower C-G, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 d6 |
| A52 | Barmina Gambit, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Bc5 |
| A52 | Wikstrom Gambit, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Nbc6 |
| A52 | Abonyi Variation, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 Nxe5 5.f4 Nec6 |
| A52 | Adler Variation, Budapest | 1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Nf3 |
| A53 | Old Indian Defense; Chigorin Indian Defense; A53 | 1.d4 Nf6 2.c4 d6 |
| A53 | Aged Gibbon Gambit | 1.d4 Nf6 2.c4 d6 3.g4 |
| A53 | Janowski Variation, Old Indian | 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 |
| A53 | Grinberg Gambit, Old Indian | 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.e4 |
| A53 | Ukranian Variation | 1.d4 Nf6 2.c4 d6 3.Nc3 e5 |
| A53 | Duz-Khotimirsky Variation | 1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.e3 e5 5.Bd3 |
| A53 | Tartakower-Indian | 1.d4 Nf6 2.c4 d6 3.Nf3 Bg4 |
| A54 | Two Knights Variation, Old Indian; A54 | 1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 |
| A55 | Normal Variation, Old Indian; A55 | 1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4 |
| A56 | Vulture Defense, Benoni | 1.d4 c5 2.d5 Nf6 3.c4 Ne4 |
| A56 | Hromadka Defense; Loose Gambit: A56 | 1.d4 Nf6 2.c4 c5 |
| A56 | Hromadka System, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 d6 |
| A56 | Lundin; Bronstein Counter-Gambit | 1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 b5 |
| A56 | Petrosian System; Czech Benoni Defense | 1.d4 Nf6 2.c4 c5 3.d5 e5 |
| A56 | Czech Variation, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 |
| A56 | King's Indian System, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 |
| A56 | Vulture Variation; Der Geier | 1.d4 Nf6 2.c4 c5 3.d5 Ne4 |
| A56 | Weenink Variation, Benoni | 1.d4 Nf6 2.c4 c5 3.dxc5 e6 |
| A57 | Benko Gambit; Volga; Opocensky; Vaitonis; A57 | 1.d4 Nf6 2.c4 c5 3.d5 b5 |
| A57 | Sosonko Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.a4 |
| A57 | Bishop Attack, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.Bg5 |
| A57 | Benko Gambit Accepted | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 |
| A57 | Pawn Return Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.b6 |
| A57 | Central Storming Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.f4 |
| A57 | Modern Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 |
| A57 | Dlugy Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.f3 |
| A57 | Zaitsev System, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 |
| A57 | Nescafe Frappe Attack, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 |
| A57 | Zaitsev Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 d6 8.Nf3 g6 9.Bc4 |
| A57 | Benko Gambit Declined; Hjoerring Countergambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.e4 |
| A57 | Pseudo-Saemisch, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.f3 |
| A57 | Mutkin Countergambit, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.g4 |
| A57 | Quiet Line, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nd2 |
| A57 | Main Line, Benko Gambit Declined | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nf3 |
| A58 | Fully Accepted Variation, Benko Gambit; A58 | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 |
| A58 | Fianchetto Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 g6 7.Nf3 d6 8.g3 Bg7 9.Bg2 |
| A59 | A59 | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 |
| A59 | King Walk Variation, Benko Gambit | 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6 9.g3 Bg7 10.Kg2 O-O |
| A60 | Tal Variation, Modern Variation, Benoni; A60 | 1.d4 Nf6 2.c4 c5 3.d5 e6 |
| A60 | Modern Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 |
| A61 | A61 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 |
| A61 | Snake Variation, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 Bd6 |
| A61 | Penrose Variation, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bd3 |
| A61 | Uhlmann Variation, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Bg5 |
| A61 | Nimzovich Variation, Knight's Tour Variation, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 |
| A62 | A62 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 |
| A62 | Fianchetto Variation, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 |
| A62 | Hastings Defense, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7 |
| A63 | A63 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O a6 |
| A64 | A64 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O a6 10.a4 Nbd7 11.Nd2 |
| A65 | King Pawn lines, Benoni; A65 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 |
| A66 | Pawn Storm Variation, Benoni; A66 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 |
| A66 | Mikenas V, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.e5 |
| A67 | Taimanov Variation, Benoni; A67 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5 |
| A68 | A68 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 |
| A68 | Four Pawns Attack, Benoni | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O |
| A69 | A69 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Be2 Re8 |
| A70 | Classical Variation, Benoni; A70 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 |
| A71 | A71 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5 |
| A72 | A72 | 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 |
| A73 | A73 | 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 |
| A74 | A74 | 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 |
| A75 | Argentine Attack, Benoni; A75 | 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 |
| A76 | Czerniak Defesne, Benoni; A76 | 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 |
| A77 | A77 | 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 |
| A78 | A78 | 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 |
| A79 | A79 | 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 |
| A80 | Dutch Defense; A80 | 1.d4 f5 |
| A80 | Seneschaud Gambit, Dutch | 1.d4 f5 2.Bf4 e6 3.g4 |
| A80 | Hopton Attack, Dutch | 1.d4 f5 2.Bg5 |
| A80 | Blackmar's Second Gambit, Dutch | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.f3 |
| A80 | Lisbon Gambit, Dutch; Krejcik Gambit | 1.d4 f5 2.g4 |
| A80 | Hevendehl Gambit, Dutch | 1.d4 f5 2.g4 e5 |
| A80 | Tate Gambit, Dutch | 1.d4 f5 2.g4 fxg4 3.e4 d5 4.Nc3 |
| A80 | Korchnoi's Variation, Dutch | 1.d4 f5 2.h3 |
| A80 | Janzen-Korchnoi Gambit, Dutch | 1.d4 f5 2.h3 Nf6 3.g4 |
| A80 | Raphael Variation, Dutch | 1.d4 f5 2.Nc3 |
| A80 | Kingfisher Gambit, Dutch | 1.d4 f5 2.Nc3 d5 3.e4 |
| A80 | Spielmann Gambit, Dutch | 1.d4 f5 2.Nc3 Nf6 3.g4 |
| A80 | Barcza Variation, Dutch | 1.d4 f5 2.Nf3 Nf6 3.c3 |
| A80 | Alapin; Ulvestad; Manhattan; Kmoch Variation, Dutch | 1.d4 f5 2.Qd3 |
| A80 | Anti-Stonewall, Dutch | 1.d4 f5 2.Qd3 d5 3.g4 |
| A80 | Anti-Modern, Dutch | 1.d4 f5 2.Qd3 d6 3.g4 |
| A80 | Anti-Classical Line, Dutch | 1.d4 f5 2.Qd3 e6 3.g4 |
| A80 | Anti-Leningrad Variation, Dutch | 1.d4 f5 2.Qd3 g6 3.g4 |
| A80 | Manhattan Gambit, Dutch | 1.d4 f5 2.Qd3 Nf6 3.g4 |
| A80 | Pretzel Gambit, Dutch | 1.d4 f5 2.Qd3 Nf6 3.g4 |
| A81 | Dutch Indian; Leningrad Variation, Dutch; A81 | 1.d4 f5 2.g3 |
| A81 | Basman Variation, Dutch | 1.d4 f5 2.g3 g6 3.Bg2 Bg7 4.Nf3 c6 5.O-O Nh6 |
| A81 | Carlsbad Variation, Dutch | 1.d4 f5 2.g3 g6 3.Bg2 Bg7 4.Nh3 |
| A81 | Antoshin-Hort Variation, Dutch | 1.d4 f5 2.g3 Nf6 3.Bg2 d6 |
| A81 | Ilyin-Genevsky Variation, Dutch | 1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nf3 Be7 5.O-O O-O 6.c4 d6 |
| A81 | Blackburne Variation, Dutch | 1.d4 f5 2.g3 Nf6 3.Bg2 e6 4.Nh3 |
| A81 | Semi-Leningrad Variation, Dutch | 1.d4 f5 2.g3 Nf6 3.Bg2 g6 |
| A82 | Staunton Gambit, Dutch; A82 | 1.d4 f5 2.e4 |
| A82 | Balogh Defense, Dutch | 1.d4 f5 2.e4 d6 |
| A82 | Staunton Gambit Accepted, Dutch | 1.d4 f5 2.e4 fxe4 |
| A82 | Tartakower Variation, Dutch | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4 |
| A82 | American Gambit, Dutch | 1.d4 f5 2.e4 fxe4 3.Nd2 |
| A83 | General Variation, Staunton Gambit, Dutch; A83 | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 |
| A83 | Nimzovich Variation, Dutch | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 b6 |
| A83 | Chigorin Variation, Dutch | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 c6 |
| A83 | Lasker Variation, Dutch | 1.d4 f5 2.e4 fxe4 3.Nc3 Nf6 4.Bg5 g6 5.f3 |
| A84 | Slav Stonewall, Dutch | 1.d4 d5 2.c4 e6 3.Nc3 c6 4.e3 f5 |
| A84 | Bellon Gambit | 1.d4 e6 2.c4 f5 3.e4 |
| A84 | A84 | 1.d4 f5 2.c4 |
| A84 | Classical Variation, Dutch | 1.d4 f5 2.c4 e6 |
| A84 | Bellon Gambit, Dutch | 1.d4 f5 2.c4 e6 3.e4 |
| A84 | Rubinstein Variation, Dutch | 1.d4 f5 2.c4 e6 3.Nc3 |
| A84 | Stonewall Variation, Dutch | 1.d4 f5 2.c4 e6 3.Nc3 Nf6 4.g3 c6 5.Bg2 d5 6.O-O Bd6 |
| A84 | Queen's Knight Variation, Dutch | 1.d4 f5 2.c4 Nf6 3.Nc3 |
| A84 | Krause Variation, Dutch | 1.d4 f5 2.c4 Nf6 3.Nc3 d6 4.Nf3 Nc6 |
| A85 | ÿ | 1.d4 f5 2.c4 g6 3.Nc3 |
| A85 | Bladel Variation, Dutch | 1.d4 f5 2.c4 g6 3.Nc3 Nh6 |
| A85 | Normal Variation, Dutch | 1.d4 f5 2.c4 Nf6 |
| A85 | Ozol Variation, Dutch | 1.d4 f5 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bg5 |
| A86 | Fianchetto Variation, Dutch; A86 | 1.d4 f5 2.c4 Nf6 3.g3 |
| A86 | Leningrad Variation, Dutch | 1.d4 f5 2.c4 Nf6 3.g3 g6 |
| A87 | A87 | 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 |
| A87 | Fluid Formation, Dutch | 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 |
| A88 | Warsaw Variation, Dutch; A88 | 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6 |
| A89 | Matulovic Variation, Dutch; A89 | 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 Nc6 |
| A90 | A90 | 1.d4 f5 2.c4 Nf6 3.g3 e6 |
| A90 | Classical Variation, Dutch | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 |
| A90 | Nimzo-Dutch Variation | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+ |
| A91 | A91 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 |
| A91 | Botvinnik-Bronstein Variation, Dutch | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 O-O 6.e3 |
| A91 | Blackburne Attack, Dutch | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bg7 5.Nh3 |
| A92 | A92 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 |
| A92 | Alekhine Variation, Dutch | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O Ne4 |
| A93 | Botvinnik Variation, Dutch; A93 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 |
| A94 | A94 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 |
| A95 | A95 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.Nc3 |
| A96 | A96 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 |
| A97 | Ilyin-Zhenevsky Variation, Dutch; A97 | 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 |
| A98 | A98 | 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 |
| A99 | A99 | 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 |