Chess Puzzle #9k0wZ — Master, White to move, middlegame

Position

White: king h2; queen b7; bishop c6; pawns a3/b2/d6/g2/g3/h4. Black: king g7; queen c4; rook f5; pawns a6/d4/f7/g6/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: d3 — pawn d4→d3. Now White to move.
2. Best move: d7 — pawn d6→d7. Opponent replies Qd4 (queen c4→d4).
3. Best move: Qb4 — queen b7→b4. Opponent replies Qxb4 (queen d4→b4, captures queen).
4. Best move: axb4 — pawn a3→b4, captures queen. Opponent replies Rf6 (rook f5→f6).
5. Best move: d8=Q — pawn d7→d8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is d7.

Position data

FEN: 8/1Q3pkp/p1BP2p1/5r2/2qp3P/P5P1/1P4PK/8 b - - 4 35

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