Chess Puzzle #GvyXW — Advanced, White to move, middlegame

Position

White: king h1; queen b5; rook d1; pawns a2/c2/g2/h2. Black: king d6; queen f6; rook a8; knight d7; pawns a7/b7/d5/g7/h7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Rf8 — rook a8→f8. Now White to move.
2. Best move: Rxd5+ — rook d1→d5, captures pawn, gives check. Opponent replies Kc7 (king d6→c7).
3. Best move: Rxd7+ — rook d5→d7, captures knight, gives check. Opponent replies Kc8 (king c7→c8).
4. Best move: Qxb7# — queen b5→b7, captures pawn, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with Qxb7# delivering checkmate.

Position data

FEN: r7/pp1n2pp/3k1q2/1Q1p4/8/8/P1P3PP/3R3K b - - 5 20

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