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ECO CODES | |
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(Click on an opening description to see diagram) |
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C00 - C20 |
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C00 |
French defence 1. e2e4 e7e6 |
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C00 |
French defence, Steiner variation 1. e2e4 e7e6 2. c2c4 |
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C00 |
French: Reti (Spielmann) variation 1. e2e4 e7e6 2. b2b3 |
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C00 |
French: Steinitz attack 1. e2e4 e7e6 2. e4e5 |
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C00 |
French: Labourdonnais variation 1. e2e4 e7e6 2. f2f4 |
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C00 |
French defence 1. e2e4 e7e6 2. ![]() |
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C00 |
French: Wing gambit 1. e2e4 e7e6 2. ![]() |
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C00 |
French defence 1. e2e4 e7e6 2. ![]() |
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C00 |
French: Pelikan variation 1. e2e4 e7e6 2. ![]() |
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C00 |
French: Two knights variation 1. e2e4 e7e6 2. ![]() ![]() |
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C00 |
French: Chigorin variation 1. e2e4 e7e6 2. ![]() |
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C00 |
French: King's Indian attack 1. e2e4 e7e6 2. d2d3 |
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C00 |
French: Reversed Philidor formation 1. e2e4 e7e6 2. d2d3 d7d5 3. ![]() ![]() ![]() ![]() ![]() |
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C00 |
French defence 1. e2e4 e7e6 2. d2d4 |
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C00 |
Lengfellner system 1. e2e4 e7e6 2. d2d4 d7d6 |
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C00 |
St. George defence 1. e2e4 e7e6 2. d2d4 a7a6 |
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C00 |
French defence 1. e2e4 e7e6 2. d2d4 d7d5 |
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C00 |
French: Schlechter variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C00 |
French: Alapin variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C01 |
French: exchange variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4d5 |
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C01 |
French: exchange, Svenonius variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4d5 e6d5 4. ![]() ![]() ![]() |
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C01 |
French: exchange, Bogolyubov variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4d5 e6d5 4. ![]() ![]() ![]() ![]() |
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C02 |
French: advance variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 |
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C02 |
French: advance, Steinitz variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. d4c5 |
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C02 |
French: advance, Nimzovich variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. ![]() |
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C02 |
French: advance, Nimzovich system 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. ![]() |
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C02 |
French: advance variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. c2c3 |
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C02 |
French: advance, Wade variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. c2c3 ![]() ![]() ![]() |
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C02 |
French: advance variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. c2c3 ![]() |
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C02 |
French: advance, Paulsen attack 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. c2c3 ![]() ![]() |
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C02 |
French: advance, Milner-Barry gambit 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. c2c3 ![]() ![]() ![]() 6. ![]() |
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C02 |
French: advance, Euwe variation 1. e2e4 e7e6 2. d2d4 d7d5 3. e4e5 c7c5 4. c2c3 ![]() ![]() ![]() |
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C03 |
French: Tarrasch 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C03 |
French: Tarrasch, Haberditz variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C03 |
French: Tarrasch, Guimard variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C04 |
French: Tarrasch, Guimard main line 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() |
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C05 |
French: Tarrasch, closed variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C05 |
French: Tarrasch, Botvinnik variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. c2c3 b7b6 |
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C05 |
French: Tarrasch, closed variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. c2c3 ![]() |
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C06 |
French: Tarrasch, closed variation, main line 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. c2c3 ![]() ![]() |
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C06 |
French: Tarrasch, Leningrad variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. c2c3 ![]() ![]() ![]() |
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C07 |
French: Tarrasch, open variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C07 |
French: Tarrasch, Eliskases variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. ![]() ![]() |
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C08 |
French: Tarrasch, open, 4.ed ed 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C09 |
French: Tarrasch, open variation, main line 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C10 |
French: Paulsen variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C10 |
French: Marshall variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C10 |
French: Rubinstein variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() |
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C10 |
French: Fort Knox variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() |
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C10 |
French: Rubinstein variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C10 |
French: Rubinstein, Capablanca line 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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C10 |
French: Frere (Becker) variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C11 |
French defence 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C11 |
French: Swiss variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C11 |
French: Henneberger variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C11 |
French: Steinitz variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C11 |
French: Steinitz, Bradford attack 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. d4c5 ![]() ![]() |
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C11 |
French: Steinitz variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. d4c5 ![]() |
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C11 |
French: Steinitz, Brodsky-Jones variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. d4c5 ![]() ![]() ![]() ![]() |
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C11 |
French: Steinitz variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. ![]() |
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C11 |
French: Steinitz, Boleslavsky variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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C11 |
French: Steinitz, Gledhill attack 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() |
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C11 |
French: Burn variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C12 |
French: MacCutcheon variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() |
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C12 |
French: MacCutcheon, Bogolyubov variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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C12 |
French: MacCutcheon, advance variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() |
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C12 |
French: MacCutcheon, Chigorin variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. e5f6 |
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C12 |
French: MacCutcheon, Grigoriev variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. e5f6 h6g5 7. f6g7 ![]() ![]() |
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C12 |
French: MacCutcheon, Bernstein variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() |
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C12 |
French: MacCutcheon, Janowski variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() |
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C12 |
French: MacCutcheon, Dr. Olland (Dutch) variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() |
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C12 |
French: MacCutcheon, Tartakower variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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C12 |
French: MacCutcheon, Lasker variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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C12 |
French: MacCutcheon, Duras variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() ![]() ![]() |
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C12 |
French: MacCutcheon, Lasker variation, 8...g6 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() |
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C13 |
French: classical 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() |
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C13 |
French: classical, Anderssen variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() |
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C13 |
French: classical, Anderssen-Richter variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() ![]() 6. e4e5 ![]() ![]() |
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C13 |
French: classical, Vistaneckis (Nimzovich) variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() |
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C13 |
French: classical, Frankfurt variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() |
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C13 |
French: classical, Tartakower variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() |
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C13 |
French: Albin-Alekhine-Chatard attack 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. h2h4 |
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C13 |
French: Albin-Alekhine-Chatard attack, Maroczy variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. h2h4 a7a6 |
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C13 |
French: Albin-Alekhine-Chatard attack, Breyer variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. h2h4 c7c5 |
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C13 |
French: Albin-Alekhine-Chatard attack, Teichmann variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. h2h4 f7f6 |
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C13 |
French: Albin-Alekhine-Chatard attack, Spielmann variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. h2h4 0-0 |
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C14 |
French: classical variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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C14 |
French: classical, Tarrasch variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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C14 |
French: classical, Rubinstein variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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C14 |
French: classical, Alapin variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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C14 |
French: classical, Pollock variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() |
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C14 |
French: classical, Steinitz variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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C14 |
French: classical, Stahlberg variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() ![]() |
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C15 |
French: Winawer (Nimzovich) variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C15 |
French: Winawer, Kondratiyev variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() |
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C15 |
French: Winawer, fingerslip variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C15 |
French: Winawer, Alekhine (Maroczy) gambit 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C15 |
French: Winawer, Alekhine gambit, Alatortsev variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() ![]() ![]() ![]() ![]() |
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C15 |
French: Winawer, Alekhine gambit 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() |
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C15 |
French: Winawer, Alekhine gambit, Kan variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() ![]() 6. ![]() ![]() |
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C16 |
French: Winawer, advance variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C16 |
French: Winawer, Petrosian variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C17 |
French: Winawer, advance variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C17 |
French: Winawer, advance, Bogolyubov variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C17 |
French: Winawer, advance, Russian variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() |
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C17 |
French: Winawer, advance, 5.a3 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() |
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C17 |
French: Winawer, advance, Rauzer variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() 6. a3b4 d4c3 7. ![]() |
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C18 |
French: Winawer, advance variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 |
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C18 |
French: Winawer, classical variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 ![]() |
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C19 |
French: Winawer, advance, 6...Ne7 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 ![]() |
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C19 |
French: Winawer, advance, Smyslov variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 ![]() |
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C19 |
French: Winawer, advance, positional main line 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 ![]() ![]() |
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C19 |
French: Winawer, advance, poisoned pawn variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 ![]() ![]() |
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C19 |
French: Winawer, advance, poisoned pawn, Euwe-Gligoric variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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C19 |
French: Winawer, advance, poisoned pawn, Konstantinopolsky variation 1. e2e4 e7e6 2. d2d4 d7d5 3. ![]() ![]() ![]() 6. b2c3 ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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C20 |
King's pawn game 1. e2e4 e7e5 |
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C20 |
KP: Indian opening 1. e2e4 e7e5 2. d2d3 |
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C20 |
KP: Mengarini's opening 1. e2e4 e7e5 2. a2a3 |
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C20 |
KP: King's head opening 1. e2e4 e7e5 2. f2f3 |
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C20 |
KP: Patzer opening 1. e2e4 e7e5 2. ![]() |
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C20 |
KP: Napoleon's opening 1. e2e4 e7e5 2. ![]() |
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C20 |
KP: Lopez opening 1. e2e4 e7e5 2. c2c3 |
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C20 |
Alapin's opening 1. e2e4 e7e5 2. ![]() |
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