Chess Puzzle #7FKUB — Intermediate, Black to move, middlegame

Position

White: king e1; queen a4; rooks a1/h1; bishops c1/h3; knight d4; pawns a3/c3/d5/e4/h2. Black: king e8; queen d8; rooks a8/h8; knights d7/e5; pawns a7/b7/d6/e7/f7/g6/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Bf4 — bishop c1→f4. Now Black to move.
2. Best move: Nd3+ — knight e5→d3, gives check. Opponent replies Kd2 (king e1→d2).
3. Best move: Nxf4 — knight d3→f4, captures bishop. Opponent replies Qxd7+ (queen a4→d7, captures knight, gives check).
4. Best move: Qxd7 — queen d8→d7, captures queen. Opponent replies Bxd7+ (bishop h3→d7, captures queen, gives check).
5. Best move: Kxd7 — king e8→d7, captures bishop.

Tactical themes

equality, fork, middlegame, very long. The key move is Nd3+.

Position data

FEN: r2qk2r/pp1npp1p/3p2p1/3Pn3/Q2NP3/P1P4B/7P/R1B1K2R w KQkq - 2 16

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