Chess Puzzle #4l74G — Intermediate, Black to move, middlegame

Position

White: king c1; queen d2; rooks d3/e1; pawns a2/b3/c2/d4/f3/g4/h4. Black: king g8; queen a3; rook e7; knight c6; pawns a7/b7/c7/f7/g7/h7. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kb1 — king c1→b1. Now Black to move.
2. Best move: Nb4 — knight c6→b4. Opponent replies Qxb4 (queen d2→b4, captures knight).
3. Best move: Qxb4 — queen a3→b4, captures queen. Opponent replies Rxe7 (rook e1→e7, captures rook).
4. Best move: Qxe7 — queen b4→e7, captures rook.

Tactical themes

advantage, endgame, long. The key move is Nb4.

Position data

FEN: 6k1/ppp1rppp/2n5/8/3P2PP/qP1R1P2/P1PQ4/2K1R3 w - - 2 26

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