Chess Puzzle #utLaM — Master, Black to move, middlegame

Position

White: king h1; queen b7; rook c8; pawns a2/b2/d7/f2/g2/h3. Black: king h7; queen e7; knight f4; pawns a7/f7/g7/h6. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: d8=Q — pawn d7→d8, promotes to queen. Now Black to move.
2. Best move: Qxb7 — queen e7→b7, captures queen. Opponent replies f3 (pawn f2→f3).
3. Best move: Qxb2 — queen b7→b2, captures pawn. Opponent replies Qh8+ (queen d8→h8, gives check).
4. Best move: Kg6 — king h7→g6. Opponent replies Rc6+ (rook c8→c6, gives check).
5. Best move: Kg5 — king g6→g5.

Tactical themes

advantage, defensive move, endgame, hanging piece, very long. The key move Qxb7 wins material.

Position data

FEN: 2R5/pQ1Pqppk/7p/8/5n2/7P/PP3PP1/7K w - - 4 35

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