eco-volume
stringclasses
5 values
eco
stringclasses
496 values
name
stringlengths
9
99
pgn
stringlengths
5
202
uci
stringlengths
4
179
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stringlengths
51
68
A
A33
English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense
1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6
c2c4 e7e6 g1f3 g8f6 b1c3 c7c5 d2d4 c5d4 f3d4 b8c6
r1bqkb1r/pp1p1ppp/2n1pn2/8/2PN4/2N5/PP2PPPP/R1BQKB1R w KQkq -
A
A34
English Opening: Symmetrical Variation
1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd4
c2c4 c7c5 g1f3 g8f6 b1c3 b8c6 g2g3 d7d5 d2d4 c5d4
r1bqkb1r/pp2pppp/2n2n2/3p4/2Pp4/2N2NP1/PP2PP1P/R1BQKB1R w KQkq -
A
A34
English Opening: Symmetrical Variation, Fianchetto Variation
1. c4 Nf6 2. Nc3 c5 3. g3
c2c4 g8f6 b1c3 c7c5 g2g3
rnbqkb1r/pp1ppppp/5n2/2p5/2P5/2N3P1/PP1PPP1P/R1BQKBNR b KQkq -
A
A34
English Opening: Symmetrical Variation, Normal Variation
1. c4 c5 2. Nc3
c2c4 c7c5 b1c3
rnbqkbnr/pp1ppppp/8/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq -
A
A34
English Opening: Symmetrical Variation, Rubinstein Variation
1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7
c2c4 g8f6 b1c3 c7c5 g2g3 d7d5 c4d5 f6d5 f1g2 d5c7
rnbqkb1r/ppn1pppp/8/2p5/8/2N3P1/PP1PPPBP/R1BQK1NR w KQkq -
A
A34
English Opening: Symmetrical Variation, Rubinstein Variation
1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7
c2c4 c7c5 g1f3 g8f6 b1c3 d7d5 c4d5 f6d5 g2g3 b8c6 f1g2 d5c7
r1bqkb1r/ppn1pppp/2n5/2p5/8/2N2NP1/PP1PPPBP/R1BQK2R w KQkq -
A
A34
English Opening: Symmetrical Variation, Three Knights Variation
1. c4 c5 2. Nc3 Nf6 3. Nf3
c2c4 c7c5 b1c3 g8f6 g1f3
rnbqkb1r/pp1ppppp/5n2/2p5/2P5/2N2N2/PP1PPPPP/R1BQKB1R b KQkq -
A
A35
English Opening: Symmetrical Variation
1. c4 c5 2. Nc3 Nf6 3. Nf3 e5
c2c4 c7c5 b1c3 g8f6 g1f3 e7e5
rnbqkb1r/pp1p1ppp/5n2/2p1p3/2P5/2N2N2/PP1PPPPP/R1BQKB1R w KQkq -
A
A35
English Opening: Symmetrical Variation, Four Knights Variation
1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6
c2c4 g8f6 g1f3 c7c5 b1c3 b8c6
r1bqkb1r/pp1ppppp/2n2n2/2p5/2P5/2N2N2/PP1PPPPP/R1BQKB1R w KQkq -
A
A35
English Opening: Symmetrical Variation, Two Knights Variation
1. c4 c5 2. Nc3 Nc6
c2c4 c7c5 b1c3 b8c6
r1bqkbnr/pp1ppppp/2n5/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq -
A
A36
English Opening: Symmetrical Variation, Botvinnik System
1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2
c2c4 c7c5 e2e4 b8c6 b1c3 g7g6 g2g3 f8g7 f1g2
r1bqk1nr/pp1pppbp/2n3p1/2p5/2P1P3/2N3P1/PP1P1PBP/R1BQK1NR b KQkq -
A
A36
English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5
c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e2e3 e7e5
r1bqk1nr/pp1p1pbp/2n3p1/2p1p3/2P5/2N1P1P1/PP1P1PBP/R1BQK1NR w KQkq -
A
A36
English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation
1. c4 c5 2. Nc3 Nc6 3. g3
c2c4 c7c5 b1c3 b8c6 g2g3
r1bqkbnr/pp1ppppp/2n5/2p5/2P5/2N3P1/PP1PPP1P/R1BQKBNR b KQkq -
A
A36
English Opening: Symmetrical Variation, Ultra-Symmetrical Variation
1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6
c2c4 c7c5 g2g3 g7g6 f1g2 f8g7 b1c3 b8c6
r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N3P1/PP1PPPBP/R1BQK1NR w KQkq -
A
A37
English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5
c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 e7e5
r1bqk1nr/pp1p1pbp/2n3p1/2p1p3/2P5/2N2NP1/PP1PPPBP/R1BQK2R w KQkq -
A
A37
English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3
c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3
r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R b KQkq -
A
A38
English Opening: Symmetrical Variation, Double Fianchetto
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3
c2c4 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 g1f3 g8f6 e1g1 e8g8 b2b3
r1bq1rk1/pp1pppbp/2n2np1/2p5/2P5/1PN2NP1/P2PPPBP/R1BQ1RK1 b - -
A
A38
English Opening: Symmetrical Variation, Duchamp Variation
1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d3
c2c4 g8f6 g1f3 g7g6 g2g3 f8g7 f1g2 e8g8 e1g1 c7c5 b1c3 b8c6 d2d3
r1bq1rk1/pp1pppbp/2n2np1/2p5/2P5/2NP1NP1/PP2PPBP/R1BQ1RK1 b - -
A
A38
English Opening: Symmetrical Variation, Full Symmetry Line
1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7
c2c4 g8f6 g1f3 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7
r1bqk2r/pp1pppbp/2n2np1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R w KQkq -
A
A39
English Opening: Symmetrical Variation, Mecking Variation
1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4
c2c4 g8f6 g1f3 c7c5 b1c3 b8c6 g2g3 g7g6 f1g2 f8g7 e1g1 e8g8 d2d4
r1bq1rk1/pp1pppbp/2n2np1/2p5/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 b - -
A
A40
Australian Defense
1. d4 Na6
d2d4 b8a6
r1bqkbnr/pppppppp/n7/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Benoni Defense: Franco-Sicilian Hybrid
1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. Nf3 Ne7
d2d4 e7e6 c2c4 c7c5 d4d5 e6d5 c4d5 d7d6 b1c3 g7g6 e2e4 f8g7 g1f3 g8e7
rnbqk2r/pp2npbp/3p2p1/2pP4/4P3/2N2N2/PP3PPP/R1BQKB1R w KQkq -
A
A40
Borg Defense: Borg Gambit
1. d4 g5
d2d4 g7g5
rnbqkbnr/pppppp1p/8/6p1/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Colle System: Pterodactyl Variation
1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 Qa5+
d2d4 g7g6 g1f3 f8g7 e2e3 c7c5 f1d3 d8a5
rnb1k1nr/pp1pppbp/6p1/q1p5/3P4/3BPN2/PPP2PPP/RNBQK2R w KQkq -
A
A40
Colle System: Siroccopteryx Variation
1. d4 g6 2. Nf3 Bg7 3. e3 c5 4. Bd3 cxd4 5. Nxd4 Qa5+
d2d4 g7g6 g1f3 f8g7 e2e3 c7c5 f1d3 c5d4 f3d4 d8a5
rnb1k1nr/pp1pppbp/6p1/q7/3N4/3BP3/PPP2PPP/RNBQK2R w KQkq -
A
A40
English Defense
1. d4 b6
d2d4 b7b6
rnbqkbnr/p1pppppp/1p6/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
English Defense
1. d4 e6 2. c4 b6
d2d4 e7e6 c2c4 b7b6
rnbqkbnr/p1pp1ppp/1p2p3/8/2PP4/8/PP2PPPP/RNBQKBNR w KQkq -
A
A40
English Defense: Eastbourne Gambit
1. d4 b6 2. c4 Bb7 3. Nc3 e5
d2d4 b7b6 c2c4 c8b7 b1c3 e7e5
rn1qkbnr/pbpp1ppp/1p6/4p3/2PP4/2N5/PP2PPPP/R1BQKBNR w KQkq -
A
A40
English Defense: Hartlaub Gambit Accepted
1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. exf5 Nf6
c2c4 e7e6 d2d4 b7b6 b1c3 c8b7 e2e4 f7f5 e4f5 g8f6
rn1qkb1r/pbpp2pp/1p2pn2/5P2/2PP4/2N5/PP3PPP/R1BQKBNR w KQkq -
A
A40
English Defense: Hartlaub Gambit Declined
1. c4 e6 2. d4 b6 3. Nc3 Bb7 4. e4 f5 5. d5
c2c4 e7e6 d2d4 b7b6 b1c3 c8b7 e2e4 f7f5 d4d5
rn1qkbnr/pbpp2pp/1p2p3/3P1p2/2P1P3/2N5/PP3PPP/R1BQKBNR b KQkq -
A
A40
English Defense: Perrin Variation
1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 Nc6
d2d4 e7e6 c2c4 b7b6 e2e4 c8b7 f1d3 b8c6
r2qkbnr/pbpp1ppp/1pn1p3/8/2PPP3/3B4/PP3PPP/RNBQK1NR w KQkq -
A
A40
English Defense: Poli Gambit
1. d4 e6 2. c4 b6 3. e4 Bb7 4. f3 f5 5. exf5 Nh6
d2d4 e7e6 c2c4 b7b6 e2e4 c8b7 f2f3 f7f5 e4f5 g8h6
rn1qkb1r/pbpp2pp/1p2p2n/5P2/2PP4/5P2/PP4PP/RNBQKBNR w KQkq -
A
A40
Englund Gambit
1. d4 e5
d2d4 e7e5
rnbqkbnr/pppp1ppp/8/4p3/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Englund Gambit Declined
1. d4 e5 2. d5
d2d4 e7e5 d4d5
rnbqkbnr/pppp1ppp/8/3Pp3/8/8/PPP1PPPP/RNBQKBNR b KQkq -
A
A40
Englund Gambit Declined: Diemer Counterattack
1. d4 e5 2. d5 Bc5 3. e4 Qh4
d2d4 e7e5 d4d5 f8c5 e2e4 d8h4
rnb1k1nr/pppp1ppp/8/2bPp3/4P2q/8/PPP2PPP/RNBQKBNR w KQkq -
A
A40
Englund Gambit Declined: Reversed Alekhine
1. d4 e5 2. Nf3
d2d4 e7e5 g1f3
rnbqkbnr/pppp1ppp/8/4p3/3P4/5N2/PPP1PPPP/RNBQKB1R b KQkq -
A
A40
Englund Gambit Declined: Reversed Brooklyn
1. d4 e5 2. Nf3 e4 3. Ng1
d2d4 e7e5 g1f3 e5e4 f3g1
rnbqkbnr/pppp1ppp/8/8/3Pp3/8/PPP1PPPP/RNBQKBNR b KQkq -
A
A40
Englund Gambit Declined: Reversed French
1. d4 e5 2. e3
d2d4 e7e5 e2e3
rnbqkbnr/pppp1ppp/8/4p3/3P4/4P3/PPP2PPP/RNBQKBNR b KQkq -
A
A40
Englund Gambit Declined: Reversed Krebs
1. d4 e5 2. Nf3 e4
d2d4 e7e5 g1f3 e5e4
rnbqkbnr/pppp1ppp/8/8/3Pp3/5N2/PPP1PPPP/RNBQKB1R w KQkq -
A
A40
Englund Gambit Declined: Reversed Mokele Mbembe
1. d4 e5 2. Nf3 e4 3. Ne5
d2d4 e7e5 g1f3 e5e4 f3e5
rnbqkbnr/pppp1ppp/8/4N3/3Pp3/8/PPP1PPPP/RNBQKB1R b KQkq -
A
A40
Englund Gambit: Felbecker Gambit
1. d4 e5 2. dxe5 Nc6 3. Nf3 Bc5
d2d4 e7e5 d4e5 b8c6 g1f3 f8c5
r1bqk1nr/pppp1ppp/2n5/2b1P3/8/5N2/PPP1PPPP/RNBQKB1R w KQkq -
A
A40
Englund Gambit: Hartlaub-Charlick Gambit
1. d4 e5 2. dxe5 d6
d2d4 e7e5 d4e5 d7d6
rnbqkbnr/ppp2ppp/3p4/4P3/8/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Englund Gambit: Main Line
1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7
d2d4 e7e5 d4e5 b8c6 g1f3 d8e7
r1b1kbnr/ppppqppp/2n5/4P3/8/5N2/PPP1PPPP/RNBQKB1R w KQkq -
A
A40
Englund Gambit: Mosquito Gambit
1. d4 e5 2. dxe5 Qh4
d2d4 e7e5 d4e5 d8h4
rnb1kbnr/pppp1ppp/8/4P3/7q/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Englund Gambit: Soller Gambit
1. d4 e5 2. dxe5 f6
d2d4 e7e5 d4e5 f7f6
rnbqkbnr/pppp2pp/5p2/4P3/8/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Englund Gambit: Soller Gambit Deferred
1. d4 e5 2. dxe5 Nc6 3. Nf3 f6
d2d4 e7e5 d4e5 b8c6 g1f3 f7f6
r1bqkbnr/pppp2pp/2n2p2/4P3/8/5N2/PPP1PPPP/RNBQKB1R w KQkq -
A
A40
Englund Gambit: Stockholm Variation
1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd5
d2d4 e7e5 d4e5 b8c6 g1f3 d8e7 d1d5
r1b1kbnr/ppppqppp/2n5/3QP3/8/5N2/PPP1PPPP/RNB1KB1R b KQkq -
A
A40
Englund Gambit: Zilbermints Gambit
1. d4 e5 2. dxe5 Nc6 3. Nf3 Nge7
d2d4 e7e5 d4e5 b8c6 g1f3 g8e7
r1bqkb1r/ppppnppp/2n5/4P3/8/5N2/PPP1PPPP/RNBQKB1R w KQkq -
A
A40
Horwitz Defense
1. d4 e6
d2d4 e7e6
rnbqkbnr/pppp1ppp/4p3/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Horwitz Defense: Zilbermints Gambit
1. d4 e6 2. c4 e5
d2d4 e7e6 c2c4 e6e5
rnbqkbnr/pppp1ppp/8/4p3/2PP4/8/PP2PPPP/RNBQKBNR w KQkq -
A
A40
Kangaroo Defense
1. d4 e6 2. c4 Bb4+
d2d4 e7e6 c2c4 f8b4
rnbqk1nr/pppp1ppp/4p3/8/1bPP4/8/PP2PPPP/RNBQKBNR w KQkq -
A
A40
Kangaroo Defense: Keres Defense, Transpositional Variation
1. d4 e6 2. c4 Bb4+ 3. Nc3
d2d4 e7e6 c2c4 f8b4 b1c3
rnbqk1nr/pppp1ppp/4p3/8/1bPP4/2N5/PP2PPPP/R1BQKBNR b KQkq -
A
A40
Mikenas Defense
1. d4 Nc6
d2d4 b8c6
r1bqkbnr/pppppppp/2n5/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Mikenas Defense: Cannstatter Variation
1. d4 Nc6 2. c4 e5 3. d5 Nd4
d2d4 b8c6 c2c4 e7e5 d4d5 c6d4
r1bqkbnr/pppp1ppp/8/3Pp3/2Pn4/8/PP2PPPP/RNBQKBNR w KQkq -
A
A40
Mikenas Defense: Lithuanian Variation
1. d4 Nc6 2. c4 e5 3. d5 Nce7
d2d4 b8c6 c2c4 e7e5 d4d5 c6e7
r1bqkbnr/ppppnppp/8/3Pp3/2P5/8/PP2PPPP/RNBQKBNR w KQkq -
A
A40
Mikenas Defense: Pozarek Gambit
1. d4 Nc6 2. c4 e5 3. dxe5 Nxe5 4. Nc3 Nxc4
d2d4 b8c6 c2c4 e7e5 d4e5 c6e5 b1c3 e5c4
r1bqkbnr/pppp1ppp/8/8/2n5/2N5/PP2PPPP/R1BQKBNR w KQkq -
A
A40
Modern Defense: Beefeater Variation
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5
d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 g7c3 b2c3 f7f5
rnbqk1nr/pp1pp2p/6p1/2pP1p2/2P5/2P5/P3PPPP/R1BQKBNR w KQkq -
A
A40
Modern Defense: Lizard Defense, Pirc-Diemer Gambit
1. d4 g6 2. h4 Nf6 3. h5
d2d4 g7g6 h2h4 g8f6 h4h5
rnbqkb1r/pppppp1p/5np1/7P/3P4/8/PPP1PPP1/RNBQKBNR b KQkq -
A
A40
Montevideo Defense
1. d4 Nc6 2. d5 Nb8
d2d4 b8c6 d4d5 c6b8
rnbqkbnr/pppppppp/8/3P4/8/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Polish Defense
1. d4 b5
d2d4 b7b5
rnbqkbnr/p1pppppp/8/1p6/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Polish Defense: Spassky Gambit Accepted
1. d4 b5 2. e4 Bb7 3. Bxb5
d2d4 b7b5 e2e4 c8b7 f1b5
rn1qkbnr/pbpppppp/8/1B6/3PP3/8/PPP2PPP/RNBQK1NR b KQkq -
A
A40
Pterodactyl Defense: Central, Benoni Beefeater Pterodactyl
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Bxc3+ 6. bxc3 Qa5
d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 d7d6 e2e4 g7c3 b2c3 d8a5
rnb1k1nr/pp2pp1p/3p2p1/q1pP4/2P1P3/2P5/P4PPP/R1BQKBNR w KQkq -
A
A40
Pterodactyl Defense: Central, Benoni Pterodactyl
1. d4 g6 2. c4 Bg7 3. e4 c5 4. d5 Qa5+
d2d4 g7g6 c2c4 f8g7 e2e4 c7c5 d4d5 d8a5
rnb1k1nr/pp1pppbp/6p1/q1pP4/2P1P3/8/PP3PPP/RNBQKBNR w KQkq -
A
A40
Pterodactyl Defense: Fianchetto, Queen Benoni Pterodactyl
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Qa5
d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 d8a5
rnb1k1nr/pp1pppbp/6p1/q1pP4/2P5/2N5/PP2PPPP/R1BQKBNR w KQkq -
A
A40
Pterodactyl Defense: Fianchetto, Queen Pteranodon
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5
d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 g7c3 b2c3 d8a5
rnb1k1nr/pp1ppp1p/6p1/q1pP4/2P5/2P5/P3PPPP/R1BQKBNR w KQkq -
A
A40
Pterodactyl Defense: Fianchetto, Queen Pterodactyl
1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Qa5+
d2d4 g7g6 g1f3 f8g7 g2g3 c7c5 f1g2 d8a5
rnb1k1nr/pp1pppbp/6p1/q1p5/3P4/5NP1/PPP1PPBP/RNBQK2R w KQkq -
A
A40
Pterodactyl Defense: Queen Pterodactyl, Quiet Line
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3
d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 e2e3
rnbqk1nr/pp1pppbp/6p1/2p5/2PP4/2N1P3/PP3PPP/R1BQKBNR b KQkq -
A
A40
Queen's Pawn Game
1. d4
d2d4
rnbqkbnr/pppppppp/8/8/3P4/8/PPP1PPPP/RNBQKBNR b KQkq -
A
A40
Queen's Pawn Game: Anglo-Slav Opening
1. d4 c6 2. c4 d6
d2d4 c7c6 c2c4 d7d6
rnbqkbnr/pp2pppp/2pp4/8/2PP4/8/PP2PPPP/RNBQKBNR w KQkq -
A
A40
Queen's Pawn Game: Modern Defense
1. d4 g6
d2d4 g7g6
rnbqkbnr/pppppp1p/6p1/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A40
Slav Indian: Kudischewitsch Gambit
1. d4 c6 2. Nf3 Nf6 3. c4 b5
d2d4 c7c6 g1f3 g8f6 c2c4 b7b5
rnbqkb1r/p2ppppp/2p2n2/1p6/2PP4/5N2/PP2PPPP/RNBQKB1R w KQkq -
A
A40
Zaire Defense
1. d4 Nc6 2. d5 Nb8 3. e4 Nf6 4. e5 Ng8
d2d4 b8c6 d4d5 c6b8 e2e4 g8f6 e4e5 f6g8
rnbqkbnr/pppppppp/8/3PP3/8/8/PPP2PPP/RNBQKBNR w KQkq -
A
A41
Modern Defense
1. d4 g6 2. c4 Bg7 3. Nc3 d6
d2d4 g7g6 c2c4 f8g7 b1c3 d7d6
rnbqk1nr/ppp1ppbp/3p2p1/8/2PP4/2N5/PP2PPPP/R1BQKBNR w KQkq -
A
A41
Modern Defense: Neo-Modern Defense
1. d4 g6 2. c4 Bg7 3. e4 e5
d2d4 g7g6 c2c4 f8g7 e2e4 e7e5
rnbqk1nr/pppp1pbp/6p1/4p3/2PPP3/8/PP3PPP/RNBQKBNR w KQkq -
A
A41
Old Indian Defense
1. d4 d6 2. c4
d2d4 d7d6 c2c4
rnbqkbnr/ppp1pppp/3p4/8/2PP4/8/PP2PPPP/RNBQKBNR b KQkq -
A
A41
Queen's Pawn Game
1. d4 d6
d2d4 d7d6
rnbqkbnr/ppp1pppp/3p4/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A41
Rat Defense: English Rat
1. d4 d6 2. c4 e5
d2d4 d7d6 c2c4 e7e5
rnbqkbnr/ppp2ppp/3p4/4p3/2PP4/8/PP2PPPP/RNBQKBNR w KQkq -
A
A41
Rat Defense: English Rat, Lisbon Gambit
1. d4 d6 2. c4 e5 3. dxe5 Nc6
d2d4 d7d6 c2c4 e7e5 d4e5 b8c6
r1bqkbnr/ppp2ppp/2np4/4P3/2P5/8/PP2PPPP/RNBQKBNR w KQkq -
A
A41
Rat Defense: English Rat, Pounds Gambit
1. d4 d6 2. c4 e5 3. dxe5 Be6
d2d4 d7d6 c2c4 e7e5 d4e5 c8e6
rn1qkbnr/ppp2ppp/3pb3/4P3/2P5/8/PP2PPPP/RNBQKBNR w KQkq -
A
A41
Robatsch Defense
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 Bg4
d2d4 d7d6 g1f3 g7g6 c2c4 f8g7 e2e4 c8g4
rn1qk1nr/ppp1ppbp/3p2p1/8/2PPP1b1/5N2/PP3PPP/RNBQKB1R w KQkq -
A
A41
Wade Defense
1. d4 d6 2. Nf3 Bg4
d2d4 d7d6 g1f3 c8g4
rn1qkbnr/ppp1pppp/3p4/8/3P2b1/5N2/PPP1PPPP/RNBQKB1R w KQkq -
A
A41
Zukertort Opening: Wade Defense, Chigorin Plan
1. d4 d6 2. Nf3 Bg4 3. c4 Nd7 4. Qb3 Rb8
d2d4 d7d6 g1f3 c8g4 c2c4 b8d7 d1b3 a8b8
1r1qkbnr/pppnpppp/3p4/8/2PP2b1/1Q3N2/PP2PPPP/RNB1KB1R w KQk -
A
A42
Modern Defense: Averbakh System
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4
d2d4 g7g6 c2c4 f8g7 b1c3 d7d6 e2e4
rnbqk1nr/ppp1ppbp/3p2p1/8/2PPP3/2N5/PP3PPP/R1BQKBNR b KQkq -
A
A42
Modern Defense: Averbakh Variation, Pseudo-Sämisch
1. d4 g6 2. c4 Bg7 3. e4 d6 4. Be3 Nf6 5. f3
d2d4 g7g6 c2c4 f8g7 e2e4 d7d6 c1e3 g8f6 f2f3
rnbqk2r/ppp1ppbp/3p1np1/8/2PPP3/4BP2/PP4PP/RN1QKBNR b KQkq -
A
A42
Modern Defense: Kotov Variation
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6
d2d4 g7g6 c2c4 f8g7 b1c3 d7d6 e2e4 b8c6
r1bqk1nr/ppp1ppbp/2np2p1/8/2PPP3/2N5/PP3PPP/R1BQKBNR w KQkq -
A
A42
Modern Defense: Randspringer Variation
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 f5
d2d4 g7g6 c2c4 f8g7 b1c3 d7d6 e2e4 f7f5
rnbqk1nr/ppp1p1bp/3p2p1/5p2/2PPP3/2N5/PP3PPP/R1BQKBNR w KQkq -
A
A42
Pterodactyl Defense
1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+ 5. Nc3 d6
g1f3 c7c5 c2c4 g7g6 d2d4 f8g7 e2e4 d8a5 b1c3 d7d6
rnb1k1nr/pp2ppbp/3p2p1/q1p5/2PPP3/2N2N2/PP3PPP/R1BQKB1R w KQkq -
A
A42
Pterodactyl Defense: Central, Bogolubovia
1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 c5 5. Nge2 Qa5
d2d4 g7g6 c2c4 f8g7 e2e4 d7d6 b1c3 c7c5 g1e2 d8a5
rnb1k1nr/pp2ppbp/3p2p1/q1p5/2PPP3/2N5/PP2NPPP/R1BQKB1R w KQkq -
A
A43
Benoni Defense: Benoni Gambit Accepted
1. d4 c5 2. dxc5
d2d4 c7c5 d4c5
rnbqkbnr/pp1ppppp/8/2P5/8/8/PPP1PPPP/RNBQKBNR b KQkq -
A
A43
Benoni Defense: Benoni Gambit, Schlenker Defense
1. d4 c5 2. dxc5 Na6
d2d4 c7c5 d4c5 b8a6
r1bqkbnr/pp1ppppp/n7/2P5/8/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A43
Benoni Defense: Benoni-Indian Defense
1. d4 c5 2. d5 Nf6
d2d4 c7c5 d4d5 g8f6
rnbqkb1r/pp1ppppp/5n2/2pP4/8/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A43
Benoni Defense: Benoni-Indian Defense, Kingside Move Order
1. d4 c5 2. d5 Nf6 3. Nf3
d2d4 c7c5 d4d5 g8f6 g1f3
rnbqkb1r/pp1ppppp/5n2/2pP4/8/5N2/PPP1PPPP/RNBQKB1R b KQkq -
A
A43
Benoni Defense: Benoni-Staunton Gambit
1. d4 c5 2. d5 f5 3. e4
d2d4 c7c5 d4d5 f7f5 e2e4
rnbqkbnr/pp1pp1pp/8/2pP1p2/4P3/8/PPP2PPP/RNBQKBNR b KQkq -
A
A43
Benoni Defense: Cormorant Gambit
1. d4 c5 2. dxc5 b6
d2d4 c7c5 d4c5 b7b6
rnbqkbnr/p2ppppp/1p6/2P5/8/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A43
Benoni Defense: French Benoni
1. e4 e6 2. d4 c5 3. d5
e2e4 e7e6 d2d4 c7c5 d4d5
rnbqkbnr/pp1p1ppp/4p3/2pP4/4P3/8/PPP2PPP/RNBQKBNR b KQkq -
A
A43
Benoni Defense: Hawk Variation
1. d4 Nf6 2. Nf3 c5 3. d5 c4
d2d4 g8f6 g1f3 c7c5 d4d5 c5c4
rnbqkb1r/pp1ppppp/5n2/3P4/2p5/5N2/PPP1PPPP/RNBQKB1R w KQkq -
A
A43
Benoni Defense: Old Benoni
1. d4 c5
d2d4 c7c5
rnbqkbnr/pp1ppppp/8/2p5/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A43
Benoni Defense: Old Benoni
1. d4 c5 2. d5
d2d4 c7c5 d4d5
rnbqkbnr/pp1ppppp/8/2pP4/8/8/PPP1PPPP/RNBQKBNR b KQkq -
A
A43
Benoni Defense: Old Benoni
1. d4 c5 2. d5 d6
d2d4 c7c5 d4d5 d7d6
rnbqkbnr/pp2pppp/3p4/2pP4/8/8/PPP1PPPP/RNBQKBNR w KQkq -
A
A43
Benoni Defense: Old Benoni, Mujannah Formation
1. d4 c5 2. d5 f5
d2d4 c7c5 d4d5 f7f5
rnbqkbnr/pp1pp1pp/8/2pP1p2/8/8/PPP1PPPP/RNBQKBNR w KQkq -