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

Position

White: king a4; queen b5; bishop d5; pawns a2/b3. Black: king g8; queen c1; rook c3; pawns a7/c5/d6/f7/g6. Black is ahead by 5 points of material. White to move.

Solution (6 moves)

1. Opponent setup: Qg5 — queen c1→g5. Now White to move.
2. Best move: Qe8+ — queen b5→e8, gives check. Opponent replies Kh7 (king g8→h7).
3. Best move: Qxf7+ — queen e8→f7, captures pawn, gives check. Opponent replies Kh6 (king h7→h6).
4. Best move: Qf8+ — queen f7→f8, gives check. Opponent replies Kh5 (king h6→h5).
5. Best move: Qh8+ — queen f8→h8, gives check. Opponent replies Kg4 (king h5→g4).
6. Best move: Be6+ — bishop d5→e6, gives check. Opponent replies Kf4 (king g4→f4).
7. Best move: Qxc3 — queen h8→c3, captures rook.

Tactical themes

advantage, deflection, endgame, fork, very long. The key move Qxf7+ captures with check, forcing a response.

Position data

FEN: 6k1/p4p2/3p2p1/1QpB4/K7/1Pr5/P7/2q5 b - - 5 37

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