A23 black c4
English Opening: King's English Variation, Two Knights Variation, Keres Variation
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Opening Moves
1. c4 e5 2. Nc3 Nf6 3. g3 c6
Learn this Opening
Study the English Opening: King's English Variation, Two Knights Variation, Keres Variation with spaced repetition. Our algorithm schedules reviews at optimal intervals so you never forget the key moves.