Chess Puzzle #Bbr1a — Advanced, White to move, middlegame

Position

White: king f3; rooks b7/h4; pawns a2/c2/f2/f5/h3. Black: king h8; rooks d6/f8; bishop b2; pawns a5/b6/c3/e5/f6/h7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Rfd8 — rook f8→d8. Now White to move.
2. Best move: Rbxh7+ — rook b7→h7, captures pawn, gives check. Opponent replies Kg8 (king h8→g8).
3. Best move: Rh8+ — rook h7→h8, gives check. Opponent replies Kf7 (king g8→f7).
4. Best move: R4h7# — rook h4→h7, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3. The combination ends with R4h7# delivering checkmate.

Position data

FEN: 5r1k/1R5p/1p1r1p2/p3pP2/7R/2p2K1P/PbP2P2/8 b - - 5 30

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