Chess Puzzle #e62QO — Advanced, Black to move, middlegame

Position

White: king e1; queen b4; rook c6; knight d2; pawns a3/b2/d4/e3/f2/g2/h3. Black: king g8; queen d3; rook e8; knight e6; pawns a4/b5/d5/f7/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rc3 — rook c6→c3. Now Black to move.
2. Best move: Nf4 — knight e6→f4. Opponent replies Rxd3 (rook c3→d3, captures queen).
3. Best move: Nxd3+ — knight f4→d3, captures rook, gives check. Opponent replies Kd1 (king e1→d1).
4. Best move: Nxb4 — knight d3→b4, captures queen.

Tactical themes

advantage, endgame, fork, long, pin, sacrifice. The key move Nxd3+ captures with check, forcing a response.

Position data

FEN: 4r1k1/5pp1/2R1n2p/1p1p4/pQ1P4/P2qP2P/1P1N1PP1/4K3 w - - 1 31

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