Chess Puzzle #O4DAn — Master, Black to move, middlegame

Position

White: king h2; queen c2; rook f4; pawns a3/b4/d4/e3/e5/g4. Black: king g7; queen g6; bishop g5; pawns a6/b5/d5/e6/f5/h4. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rf3 — rook f4→f3. Now Black to move.
2. Best move: fxg4 — pawn f5→g4, captures pawn. Opponent replies Qc7+ (queen c2→c7, gives check).
3. Best move: Kh6 — king g7→h6. Opponent replies Rf8 (rook f3→f8).
4. Best move: Kh5 — king h6→h5. Opponent replies Rh8+ (rook f8→h8, gives check).
5. Best move: Bh6 — bishop g5→h6.

Tactical themes

advantage, endgame, very long. The key move fxg4 wins material.

Position data

FEN: 8/6k1/p3p1q1/1p1pPpb1/1P1P1RPp/P3P3/2Q4K/8 w - - 7 39

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