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

Position

White: king g2; queen e6; pawns a2/b3/d7/g3/h2. Black: king g7; queen h5; bishop d4; pawns a6/c5/f6/g5. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Qd1 — queen h5→d1. Now White to move.
2. Best move: d8=Q — pawn d7→d8, promotes to queen. Opponent replies Qg1+ (queen d1→g1, gives check).
3. Best move: Kf3 — king g2→f3. Opponent replies Qf1+ (queen g1→f1, gives check).
4. Best move: Ke4 — king f3→e4. Opponent replies Qh1+ (queen f1→h1, gives check).
5. Best move: Kd3 — king e4→d3.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is d8=Q.

Position data

FEN: 8/3P2k1/p3Qp2/2p3pq/3b4/1P4P1/P5KP/8 b - - 5 46

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