Chess Puzzle #Y0aPT — Advanced, Black to move, endgame

Position

White: king g4; queen f8; rook a5; pawns b2/g3. Black: king g6; rooks e6/h2; pawns c6/g5/h7. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rf5 — rook a5→f5. Now Black to move.
2. Best move: h5+ — pawn h7→h5, gives check. Opponent replies Kf3 (king g4→f3).
3. Best move: g4+ — pawn g5→g4, gives check. Opponent replies Kf4 (king f3→f4).
4. Best move: Rf2# — rook h2→f2, delivers checkmate.

Tactical themes

endgame, long, mate, mate in 3, queen rook endgame. The combination ends with Rf2# delivering checkmate.

Position data

FEN: 5Q2/7p/2p1r1k1/R5p1/6K1/6P1/1P5r/8 w - - 2 39

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