Chess Puzzle #4azgm — Advanced, Black to move, middlegame

Position

White: king b1; queen e4; rook b7; pawns a3/b2/d5/f4. Black: king f6; queen g4; rook g7; pawns a4/d6/e7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Ra7 — rook b7→a7. Now Black to move.
2. Best move: Qd1+ — queen g4→d1, gives check. Opponent replies Ka2 (king b1→a2).
3. Best move: Qb3+ — queen d1→b3, gives check. Opponent replies Ka1 (king a2→a1).
4. Best move: Rg1+ — rook g7→g1, gives check.

Tactical themes

crushing, endgame, long. The key move is Qd1+.

Position data

FEN: 8/1R2p1r1/3p1k2/3P4/p3QPq1/P7/1P6/1K6 w - - 0 41

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