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

Position

White: king e1; queen d1; rooks a1/h1; bishops f8/g4; knights c7/g1; pawns a4/b3/f2/g2/h2. Black: king g8; queen e5; rook a8; bishops c8/g7; knights b8/d7; pawns a7/b7/d4/f7/g6/h7. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qe2 — queen d1→e2. Now Black to move.
2. Best move: Qxc7 — queen e5→c7, captures knight. Opponent replies Bxg7 (bishop f8→g7, captures bishop).
3. Best move: Qc3+ — queen c7→c3, gives check. Opponent replies Qd2 (queen e2→d2).
4. Best move: Qxa1+ — queen c3→a1, captures rook, gives check.

Tactical themes

advantage, fork, long, middlegame. The key move Qxa1+ captures with check, forcing a response.

Position data

FEN: rnb2Bk1/ppNn1pbp/6p1/4q3/P2p2B1/1P6/5PPP/R2QK1NR w KQ - 0 15

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