Chess Puzzle #BQGB8 — Master, White to move, endgame

Position

White: king g7; pawns a5/b4/d4/g4/h3. Black: king e6; pawns a6/b7/c6/f6/g5. Material is balanced. White to move.

Solution (5 moves)

1. Opponent setup: f5 — pawn f6→f5. Now White to move.
2. Best move: gxf5+ — pawn g4→f5, captures pawn, gives check. Opponent replies Kxf5 (king e6→f5, captures pawn).
3. Best move: Kf7 — king g7→f7. Opponent replies Ke4 (king f5→e4).
4. Best move: Kg6 — king f7→g6. Opponent replies Kf4 (king e4→f4).
5. Best move: Kf6 — king g6→f6. Opponent replies g4 (pawn g5→g4).
6. Best move: hxg4 — pawn h3→g4, captures pawn.

Tactical themes

crushing, endgame, pawn endgame, very long, zugzwang. The key move gxf5+ captures with check, forcing a response.

Position data

FEN: 8/1p4K1/p1p1kp2/P5p1/1P1P2P1/7P/8/8 b - - 6 41

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