LOS CODIGOS ECO

 A40-A49

indice de codigos ECO


A40
A40 Queen's pawn

1.d2d4

   A40 Queen's pawn: Lundin (Kevitz-Mikenas) defence

   1.d2d4 b8c6

   A40 Queen's pawn: Charlick (Englund) gambit

   1.d2d4 e7e5

      A40 Queen's pawn: Englund gambit

      1.d2d4 e7e5 d4e5 b8c6 g1f3 d8e7 d1d5 f7f6 e5f6 g8f6

   A40 Queen's pawn: English defence

   1.d2d4 b7b6

   A40 Polish defence

   1.d2d4 b7b5

   A40 Queen's pawn

   1.d2d4 e7e6

      A40 Queen's pawn: Keres defence

      1.d2d4 e7e6 c2c4 b7b6

      A40 Queen's pawn: Franco-Indian (Keres) defence

      1.d2d4 e7e6 c2c4 f8b4

   A40 Modern defence

   1.d2d4 g7g6

      A40 Beefeater defence

      1.d2d4 g7g6 c2c4 f8g7 b1c3 c7c5 d4d5 g7c3 b2c3 f7f5


A41
A41 Queen's Pawn

1.d2d4 d7d6

   A41 Old Indian: Tartakower (Wade) variation

   1.d2d4 d7d6 g1f3 c8g4

   A41 Old Indian defence

   1.d2d4 d7d6 c2c4

      A41 Modern defence

      1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7

   A41 Robatsch defence: Rossolimo variation

   1.e2e4 g7g6 d2d4 f8g7 g1f3 d7d6 c2c4 c8g4


A42
A42 Modern defence: Averbakh system

1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4

   A42 Pterodactyl defence

   1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 c7c5 g1f3 d8a5

   A42 Modern defence: Averbakh system, Randspringer variation

   1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 f7f5

   A42 Modern defence: Averbakh system, Kotov variation

   1.d2d4 d7d6 c2c4 g7g6 b1c3 f8g7 e2e4 b8c6

A43
A43 Old Benoni defence

1.d2d4 c7c5

   A43 Old Benoni: Franco-Benoni defence

   1.d2d4 c7c5 d4d5 e7e6 e2e4

   A43 Old Benoni: Mujannah formation

   1.d2d4 c7c5 d4d5 f7f5

   A43 Old Benoni defence

   1.d2d4 c7c5 d4d5 g8f6

      A43 Woozle defence

      1.d2d4 c7c5 d4d5 g8f6 b1c3 d8a5

      A43 Old Benoni defence

      1.d2d4 c7c5 d4d5 g8f6 g1f3

         A43 Hawk (Habichd) defence

         1.d2d4 c7c5 d4d5 g8f6 g1f3 c5c4

   A43 Old Benoni defence

   1.d2d4 c7c5 d4d5 d7d6

      A43 Old Benoni: Schmid's system

      1.d2d4 c7c5 d4d5 d7d6 b1c3 g7g6


A44
A44 Old Benoni defence

1.d2d4 c7c5 d4d5 e7e5

   A44 Semi-Benoni (`blockade variation')

   1.d2d4 c7c5 d4d5 e7e5 e2e4 d7d6

A45
A45 Queen's pawn game

1.d2d4 g8f6

   A45 Queen's pawn: Bronstein gambit

   1.d2d4 g8f6 g2g4

   A45 Canard opening

   1.d2d4 g8f6 f2f4

   A45 Paleface attack

   1.d2d4 g8f6 f2f3

      A45 Blackmar-Diemer gambit

      1.d2d4 g8f6 f2f3 d7d5 e2e4

      A45 Gedult attack

      1.d2d4 g8f6 f2f3 d7d5 g2g4

   A45 Trompovsky attack (Ruth, Opovcensky opening)

   1.d2d4 g8f6 c1g5

A46
A46 Queen's pawn game

1.d2d4 g8f6 g1f3

   A46 Queen's pawn: Torre attack

   1.d2d4 g8f6 g1f3 e7e6 c1g5

      A46 Queen's pawn: Torre attack, Wagner gambit

      1.d2d4 g8f6 g1f3 e7e6 c1g5 c7c5 e2e4

   A46 Queen's pawn: Yusupov-Rubinstein system

   1.d2d4 g8f6 g1f3 e7e6 e2e3

   A46 Doery defence

   1.d2d4 g8f6 g1f3 f6e4

A47
A47 Queen's Indian defence

1.d2d4 g8f6 g1f3 b7b6

   A47 Queen's Indian: Marienbad system

   1.d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5

      A47 Queen's Indian: Marienbad system, Berg variation

      1.d2d4 g8f6 g1f3 b7b6 g2g3 c8b7 f1g2 c7c5 c2c4 c5d4 d1d4


A48
A48 King's Indian: East Indian defence

1.d2d4 g8f6 g1f3 g7g6

   A48 King's Indian: Torre attack

   1.d2d4 g8f6 g1f3 g7g6 c1g5

   A48 King's Indian: London system

   1.d2d4 g8f6 g1f3 g7g6 c1f4

A49
A49 King's Indian: fianchetto without c4

1.d2d4 g8f6 g1f3 g7g6 g2g3



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