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

Position

White: king h3; queen c4; rook a1; bishop f5; knight c3; pawns a2/b2/c2/f3. Black: king b8; queen f2; bishop d6; knight f8; pawns a7/b7/c6. White is ahead by 6 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: Kg4 — king h3→g4. Now Black to move.
2. Best move: Qg3+ — queen f2→g3, gives check. Opponent replies Kh5 (king g4→h5).
3. Best move: Be7 — bishop d6→e7. Opponent replies Qg4 (queen c4→g4).
4. Best move: Qe5 — queen g3→e5. Opponent replies Qh3 (queen g4→h3).
5. Best move: Ne6 — knight f8→e6. Opponent replies f4 (pawn f3→f4).
6. Best move: Nxf4+ — knight e6→f4, captures pawn, gives check. Opponent replies Kg4 (king h5→g4).
7. Best move: Nxh3 — knight f4→h3, captures queen.

Tactical themes

crushing, fork, middlegame, quiet move, very long. The key move Nxf4+ captures with check, forcing a response.

Position data

FEN: 1k3n2/pp6/2pb4/5B2/2Q5/2N2P1K/PPP2q2/R7 w - - 7 30

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