A28 white c4
English Opening: Four Knights System, Nimzowitsch Variation
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Opening Moves
1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4
Learn this Opening
Study the English Opening: Four Knights System, Nimzowitsch Variation with spaced repetition. Our algorithm schedules reviews at optimal intervals so you never forget the key moves.