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

Position

White: king g2; queen c3; rook d2; pawns b4/c6/d7/g3. Black: king h8; queen e6; rooks a1/f8; pawns f6/g4/h7. Black is ahead by 4 points of material. White to move.

Solution (5 moves)

1. Opponent setup: Qe1 — queen e6→e1. Now White to move.
2. Best move: Qxf6+ — queen c3→f6, captures pawn, gives check. Opponent replies Rxf6 (rook f8→f6, captures queen).
3. Best move: d8=Q+ — pawn d7→d8, promotes to queen, gives check. Opponent replies Kg7 (king h8→g7).
4. Best move: Rd7+ — rook d2→d7, gives check. Opponent replies Kg6 (king g7→g6).
5. Best move: Qg8+ — queen d8→g8, gives check. Opponent replies Kf5 (king g6→f5).
6. Best move: Qxh7+ — queen g8→h7, captures pawn, gives check.

Tactical themes

advanced pawn, crushing, deflection, endgame, fork, master, promotion, very long. The key move Qxf6+ captures with check, forcing a response.

Position data

FEN: 5r1k/3P3p/2P1qp2/8/1P4p1/2Q3P1/3R2K1/r7 b - - 1 40

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