Chess Puzzle #OSnKV — Expert, White to move, middlegame

Position

White: king d6; rook c2; bishop b4; pawns a2/b2/f6/h2. Black: king h8; rook e8; knights e3/h3; pawns a7/b6/g6/h7. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Nxc2 — knight e3→c2, captures rook. Now White to move.
2. Best move: f7 — pawn f6→f7. Opponent replies Rd8+ (rook e8→d8, gives check).
3. Best move: Ke7 — king d6→e7. Opponent replies Nxb4 (knight c2→b4, captures bishop).
4. Best move: Kxd8 — king e7→d8, captures rook. Opponent replies Kg7 (king h8→g7).
5. Best move: Ke8 — king d8→e8.

Tactical themes

advanced pawn, crushing, defensive move, endgame, very long. The key move is f7.

Position data

FEN: 4r2k/p6p/1p1K1Pp1/8/1B6/4n2n/PPR4P/8 b - - 4 37

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