Chess Puzzle #Wpznz — Master, White to move, middlegame

Position

White: king g1; queen c2; rooks f1/f3; bishop e4; pawns a2/b2/e5/g2/h2. Black: king g8; queen g5; rooks d8/e8; bishop e6; pawns a7/b7/c6/g7/h6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Rd2 — rook d8→d2. Now White to move.
2. Best move: Rf8+ — rook f3→f8, gives check. Opponent replies Rxf8 (rook e8→f8, captures rook).
3. Best move: Bh7+ — bishop e4→h7, gives check. Opponent replies Kh8 (king g8→h8).
4. Best move: Rxf8+ — rook f1→f8, captures rook, gives check. Opponent replies Bg8 (bishop e6→g8).
5. Best move: Rxg8# — rook f8→g8, captures bishop, delivers checkmate.

Tactical themes

deflection, kingside attack, mate, mate in 4, middlegame, sacrifice, very long. The combination ends with Rxg8# delivering checkmate.

Position data

FEN: 3rr1k1/pp4p1/2p1b2p/4P1q1/4B3/5R2/PPQ3PP/5RK1 b - - 4 22

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