Chess Puzzle #wugUe — Master, White to move, middlegame

Position

White: king g1; queen c3; rook e1; pawns a2/b2/f2/g2/h4. Black: king e7; queen a7; rook d4; pawns a6/b7/f5/f7/g6/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Kf8 — king e7→f8. Now White to move.
2. Best move: Qa3+ — queen c3→a3, gives check. Opponent replies Kg7 (king f8→g7).
3. Best move: Re8 — rook e1→e8. Opponent replies Kh6 (king g7→h6).
4. Best move: Qf8+ — queen a3→f8, gives check. Opponent replies Kh5 (king h6→h5).
5. Best move: Qxf7 — queen f8→f7, captures pawn.

Tactical themes

crushing, endgame, quiet move, very long. The key move is Qa3+.

Position data

FEN: 8/qp2kp1p/p5p1/5p2/3r3P/2Q5/PP3PP1/4R1K1 b - - 3 26

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