Chess Puzzle #I6Dlf — Advanced, Black to move, middlegame

Position

White: king e1; queen c4; rooks a1/g1; bishops d4/g4; knight e5; pawns a2/b6/c3/c5/f2. Black: king e7; queen g5; rooks a8/h8; bishop e4; knight f4; pawns a6/b7/e6/f7/g7/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: O-O-O — king e1→c1. Now Black to move.
2. Best move: Nd3+ — knight f4→d3, gives check. Opponent replies Kb1 (king c1→b1).
3. Best move: Nxe5+ — knight d3→e5, captures knight, gives check. Opponent replies Ka1 (king b1→a1).
4. Best move: Nxc4 — knight e5→c4, captures queen.

Tactical themes

crushing, discovered attack, double check, exposed king, long, middlegame, queenside attack. The key move Nxe5+ captures with check, forcing a response.

Position data

FEN: r6r/1p2kppp/pP2p3/2P1N1q1/2QBbnB1/2P5/P4P2/R3K1R1 w Q - 12 28

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