Chess Puzzle #sUQ13 — Master, White to move, middlegame

Position

White: king g1; rooks d8/e8; pawns e4/f4/g4. Black: king g7; rooks c7/f7; knight c5; pawns a7/b6/f6/g6/h7. Black is ahead by 5 points of material. White to move.

Solution (6 moves)

1. Opponent setup: Rce7 — rook c7→e7. Now White to move.
2. Best move: Rg8+ — rook e8→g8, gives check. Opponent replies Kh6 (king g7→h6).
3. Best move: Rd2 — rook d8→d2. Opponent replies Re5 (rook e7→e5).
4. Best move: Rh2+ — rook d2→h2, gives check. Opponent replies Rh5 (rook e5→h5).
5. Best move: Rxh5+ — rook h2→h5, captures rook, gives check. Opponent replies gxh5 (pawn g6→h5, captures rook).
6. Best move: g5+ — pawn g4→g5, gives check. Opponent replies fxg5 (pawn f6→g5, captures pawn).
7. Best move: fxg5# — pawn f4→g5, captures pawn, delivers checkmate.

Tactical themes

endgame, mate, mate in 5, quiet move, very long. The combination ends with fxg5# delivering checkmate.

Position data

FEN: 3RR3/p1r2rkp/1p3pp1/2n5/4PPP1/8/8/6K1 b - - 2 45

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