Chess Puzzle #t7ssj — Expert, Black to move, middlegame

Position

White: king f3; queen b6; rooks a1/f1; pawns a2/d4/e5/f5/h2. Black: king f7; queen h3; rook g8; bishop e7; pawns b4/e6/h6/h7. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Ke4 — king f3→e4. Now Black to move.
2. Best move: Rg4+ — rook g8→g4, gives check. Opponent replies Rf4 (rook f1→f4).
3. Best move: Rxf4+ — rook g4→f4, captures rook, gives check. Opponent replies Kxf4 (king e4→f4, captures rook).
4. Best move: Bg5+ — bishop e7→g5, gives check. Opponent replies Ke4 (king f4→e4).
5. Best move: Qxf5# — queen h3→f5, captures pawn, delivers checkmate.

Tactical themes

attraction, endgame, mate, mate in 4, very long. The combination ends with Qxf5# delivering checkmate.

Position data

FEN: 6r1/4bk1p/1Q2p2p/4PP2/1p1P4/5K1q/P6P/R4R2 w - - 3 27

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