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

Opening moves: 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. This position is classified under ECO code A24.

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About This Opening

ECO Code

A24

Category Volume A

Opening Family

English Opening

Position (FEN)

rnbq1rk1/1p3pbp/p1pp1np1/4p3/2P1P3/2NP2P1/PP2NPBP/R1BQ1RK1 w - - 0 9

Lichess Stats

Across 9 rapid and classical games on Lichess (1600+ rated), White wins 33%, Black wins 67%, and 0% end in a draw from this position. The most common continuation is a4, played in 33% of games, followed by Bg5 and h3.

Observation period: 2026-07.

Small sample: 9 games. These percentages are descriptive and are too uncertain to compare opening strength.

33%

67%

White wins 33% Draws 0% Black wins 67%

9 rapid and classical games on Lichess (1600+)

Top Continuations

Bg5

Be3

Rb1

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