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A23 English Opening: King's English Variation, Two Knights Variation, Keres Variation8a7b6c5d4e3f2g1h
1.c4 e5 2.♘c3 ♘f6 3.g3 c6

A23 is the opening English Opening: King's English Variation, Two Knights Variation, Keres Variation of the volume A · Flank openings: 6 half-moves to the position in the diagram, 2 variations in the ECO table.

What the games say

461 games in the collections, from 1903 to 2021. Mean rating of the games with ratings: 2412.

White wins 35 %, draws 31 %, Black wins 34 %

Most games: Miezis, Normunds (14), Keres, Paul (12), Markowski, Tomasz (8), Raetsky, Alexander (7), Garcia, Gildardo (6)

All 2 variations

  1. English Opening: King's English Variation, Two Knights Variation, Keres Variation 1.c4 e5 2.♘c3 ♘f6 3.g3 c6
  2. English Opening: King's English Variation, Two Knights Variation, Keres Variation 1.c4 e5 2.♘c3 ♘f6 3.g3 ♗c5 4.♗g2 c6