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

Position

White: king g1; queen e5; rooks a1/f1; bishop f6; knight g3; pawns a4/b2/g2/h2. Black: king g8; queen c4; rooks e8/f8; bishop g7; pawns a5/b7/c6/g6/h7. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Bxg7 — bishop f6→g7, captures bishop. Now Black to move.
2. Best move: Rxf1+ — rook f8→f1, captures rook, gives check. Opponent replies Rxf1 (rook a1→f1, captures rook).
3. Best move: Rxe5 — rook e8→e5, captures queen. Opponent replies Bxe5 (bishop g7→e5, captures rook).
4. Best move: Qc5+ — queen c4→c5, gives check. Opponent replies Rf2 (rook f1→f2).
5. Best move: Qxe5 — queen c5→e5, captures bishop.

Tactical themes

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

Position data

FEN: 4rrk1/1p4bp/2p2Bp1/p3Q3/P1q5/6N1/1P4PP/R4RK1 w - - 1 21

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