Chess Puzzle #0IphP — Advanced, White to move, middlegame

Position

White: king g1; rook b7; bishop f1; pawns a6/c7/g3/h3. Black: king d6; rook c8; knight c4; pawns d5/e6/f5/f7/h7. Black is ahead by 1 point of material. White to move.

Solution (2 moves)

1. Opponent setup: Rxc7 — rook c8→c7, captures pawn. Now White to move.
2. Best move: a7 — pawn a6→a7. Opponent replies Rxb7 (rook c7→b7, captures rook).
3. Best move: a8=Q — pawn a7→a8, promotes to queen.

Tactical themes

advanced pawn, advantage, endgame, promotion, short. The key move is a7.

Position data

FEN: 2r5/1RP2p1p/P2kp3/3p1p2/2n5/6PP/8/5BK1 b - - 2 46

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