Chess Puzzle #KBcMC — Intermediate, Black to move, middlegame

Position

White: king g1; queen c2; rook h1; pawns a2/b5/f2/g3. Black: king g7; queen d6; knight g4; pawns a5/b6/c7/e5/g5/h6. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Qe4 — queen c2→e4. Now Black to move.
2. Best move: Qd1+ — queen d6→d1, gives check. Opponent replies Kg2 (king g1→g2).
3. Best move: Qxh1+ — queen d1→h1, captures rook, gives check. Opponent replies Kxh1 (king g2→h1, captures queen).
4. Best move: Nxf2+ — knight g4→f2, captures pawn, gives check. Opponent replies Kg2 (king h1→g2).
5. Best move: Nxe4 — knight f2→e4, captures queen.

Tactical themes

attraction, crushing, endgame, fork, sacrifice, very long. The key move Qxh1+ captures with check, forcing a response.

Position data

FEN: 8/2p3k1/1p1q3p/pP2p1p1/6n1/6P1/P1Q2P2/6KR w - - 4 42

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