Chess Puzzle #QWmz3 — Master, White to move, endgame

Position

White: king g5; rook b7; knight e4; pawns f2/h4. Black: king g8; rook c2; knight d4; pawns a3/g6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: a2 — pawn a3→a2. Now White to move.
2. Best move: Nf6+ — knight e4→f6, gives check. Opponent replies Kf8 (king g8→f8).
3. Best move: Kxg6 — king g5→g6, captures pawn. Opponent replies Rc7 (rook c2→c7).
4. Best move: Rxc7 — rook b7→c7, captures rook. Opponent replies a1=Q (pawn a2→a1, promotes to queen).
5. Best move: Rf7# — rook c7→f7, delivers checkmate.

Tactical themes

endgame, mate, mate in 4, very long, Vuković’s mate. The combination ends with Rf7# delivering checkmate.

Position data

FEN: 6k1/1R6/6p1/6K1/3nN2P/p7/2r2P2/8 b - - 2 36

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