Chess Puzzle #lnnI8 — Expert, White to move, middlegame

Position

White: king g1; queen d4; rooks b1/d1; knight d5; pawns a3/b4/e4/f2/g3/h2. Black: king g8; queen h6; rooks e6/f8; bishop f5; pawns a7/b7/c7/f3/f7/g6/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Qh3 — queen h6→h3. Now White to move.
2. Best move: Nf4 — knight d5→f4. Opponent replies Rxe4 (rook e6→e4, captures pawn).
3. Best move: Qxe4 — queen d4→e4, captures rook. Opponent replies Bxe4 (bishop f5→e4, captures queen).
4. Best move: Nxh3 — knight f4→h3, captures queen. Opponent replies Bxb1 (bishop e4→b1, captures rook).
5. Best move: Rxb1 — rook d1→b1, captures bishop.

Tactical themes

advantage, fork, middlegame, very long. The key move is Nf4.

Position data

FEN: 5rk1/ppp2p1p/4r1pq/3N1b2/1P1QP3/P4pP1/5P1P/1R1R2K1 b - - 0 24

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