Chess Puzzle #4W5eS — Expert, Black to move, middlegame

Position

White: king g2; queen f4; rooks a1/f1; bishops c1/d5; knight f3; pawns a3/b2/c4/g3. Black: king g8; queen g4; rooks e2/f8; knight f5; pawns a5/b7/c5/c7/f7/g7/h6. White is ahead by 3 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: Kg1 — king g2→g1. Now Black to move.
2. Best move: Qh3 — queen g4→h3. Opponent replies Rf2 (rook f1→f2).
3. Best move: Nxg3 — knight f5→g3, captures pawn. Opponent replies Nd2 (knight f3→d2).
4. Best move: Re1+ — rook e2→e1, gives check. Opponent replies Nf1 (knight d2→f1).
5. Best move: Rxf1+ — rook e1→f1, captures knight, gives check. Opponent replies Rxf1 (rook f2→f1, captures rook).
6. Best move: Ne2+ — knight g3→e2, gives check. Opponent replies Kf2 (king g1→f2).
7. Best move: Nxf4 — knight e2→f4, captures queen.

Tactical themes

advantage, exposed king, fork, middlegame, very long. The key move Rxf1+ captures with check, forcing a response.

Position data

FEN: 5rk1/1pp2pp1/7p/p1pB1n2/2P2Qq1/P4NP1/1P2r1K1/R1B2R2 w - - 3 22

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