Chess Puzzle #4Yc7c — Intermediate, White to move, middlegame

Position

White: king b1; rook g8; knight g5; pawns a2/b2/h4. Black: king e7; bishops b7/e5; knight g4; pawns a7/b5/g6/h5. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Kf6 — king e7→f6. Now White to move.
2. Best move: Rf8+ — rook g8→f8, gives check. Opponent replies Ke7 (king f6→e7).
3. Best move: Rf7+ — rook f8→f7, gives check. Opponent replies Kd6 (king e7→d6).
4. Best move: Rxb7 — rook f7→b7, captures bishop.

Tactical themes

advantage, endgame, long, skewer. The key move is Rf8+.

Position data

FEN: 6R1/pb2k3/6p1/1p2b1Np/6nP/8/PP6/1K6 b - - 5 31

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