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

Position

White: king g3; queen f6; pawns d4/f3/g4/h6. Black: king g8; queen d2; rook b2; pawns a5/d5/e6/f7/g6/h7. Black is ahead by 7 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Qg2+ — queen d2→g2, gives check. Now White to move.
2. Best move: Kh4 — king g3→h4. Opponent replies Qh2+ (queen g2→h2, gives check).
3. Best move: Kg5 — king h4→g5. Opponent replies Qxh6+ (queen h2→h6, captures pawn, gives check).
4. Best move: Kxh6 — king g5→h6, captures queen. Opponent replies Rh2+ (rook b2→h2, gives check).
5. Best move: Kg5 — king h6→g5.

Tactical themes

advantage, endgame, very long. The key move is Kh4.

Position data

FEN: 6k1/5p1p/4pQpP/p2p4/3P2P1/5PK1/1r1q4/8 b - - 15 42

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