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

Position

White: king h4; queen c5; rook g3; pawns f4/f6. Black: king f5; queen d1; rook a8; pawns e6/f7/h6. Black is ahead by 1 point of material. White to move.

Solution (5 moves)

1. Opponent setup: Kxf6 — king f5→f6, captures pawn. Now White to move.
2. Best move: Qc3+ — queen c5→c3, gives check. Opponent replies Ke7 (king f6→e7).
3. Best move: Qb4+ — queen c3→b4, gives check. Opponent replies Qd6 (queen d1→d6).
4. Best move: Qb7+ — queen b4→b7, gives check. Opponent replies Kf6 (king e7→f6).
5. Best move: Qxa8 — queen b7→a8, captures rook. Opponent replies Qxf4+ (queen d6→f4, captures pawn, gives check).
6. Best move: Kh3 — king h4→h3.

Tactical themes

advantage, defensive move, endgame, fork, very long. The key move is Qc3+.

Position data

FEN: r7/5p2/4pP1p/2Q2k2/5P1K/6R1/8/3q4 b - - 10 52

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