Chess Puzzle #3o6sa — Master, Black to move, middlegame

Position

White: king f2; rook a1; bishop b1; knight g4; pawns b5/d5/e6/f4/g2/h2. Black: king g8; rook c1; bishop e4; knight f8; pawns a5/b6/f6/g7/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: d6 — pawn d5→d6. Now Black to move.
2. Best move: Rxb1 — rook c1→b1, captures bishop. Opponent replies e7 (pawn e6→e7).
3. Best move: Kf7 — king g8→f7. Opponent replies exf8=Q+ (pawn e7→f8, captures knight, promotes to queen, gives check).
4. Best move: Kxf8 — king f7→f8, captures queen.

Tactical themes

advantage, endgame, long. The key move Rxb1 wins material.

Position data

FEN: 5nk1/6pp/1p2Pp2/pP1P4/4bPN1/8/5KPP/RBr5 w - - 0 30

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