Chess Puzzle #3FNrg — Beginner, Black to move, middlegame

Position

White: king a3; queen c8; knight d3; pawns a2/b3/c3/d4/f2/g3/h2. Black: king g7; queen d2; bishop e2; pawns a7/c6/f6/f7/g5/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nb4 — knight d3→b4. Now Black to move.
2. Best move: Qc1+ — queen d2→c1, gives check. Opponent replies Ka4 (king a3→a4).
3. Best move: Bb5+ — bishop e2→b5, gives check. Opponent replies Ka5 (king a4→a5).
4. Best move: Qa3# — queen c1→a3, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with Qa3# delivering checkmate.

Position data

FEN: 2Q5/p4pkp/2p2p2/6p1/3P4/KPPN2P1/P2qbP1P/8 w - - 10 29

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