Chess Puzzle #0wnqT — Advanced, White to move, endgame

Position

White: king g4; queen a6; pawns e5/f4/g2/h3. Black: king e6; queen c3; rook b1; pawn c4. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Kd5 — king e6→d5. Now White to move.
2. Best move: Qd6+ — queen a6→d6, gives check. Opponent replies Ke4 (king d5→e4).
3. Best move: Qg6+ — queen d6→g6, gives check. Opponent replies Ke3 (king e4→e3).
4. Best move: Qxb1 — queen g6→b1, captures rook.

Tactical themes

advantage, endgame, long, master, skewer. The key move is Qd6+.

Position data

FEN: 8/8/Q3k3/4P3/2p2PK1/2q4P/6P1/1r6 b - - 3 45

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