Chess Puzzle #guZnZ — Master, Black to move, middlegame

Position

White: king e1; rooks h6/h7; pawns b3/d3/e4/f7. Black: king e3; rook a2; knight d4; pawns b4/c5/c6/g5. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kf1 — king e1→f1. Now Black to move.
2. Best move: Nf3 — knight d4→f3. Opponent replies Rh2 (rook h6→h2).
3. Best move: Ra1+ — rook a2→a1, gives check. Opponent replies Kg2 (king f1→g2).
4. Best move: Rg1+ — rook a1→g1, gives check. Opponent replies Kh3 (king g2→h3).
5. Best move: g4# — pawn g5→g4, delivers checkmate.

Tactical themes

endgame, exposed king, mate, mate in 4, quiet move, very long. The combination ends with g4# delivering checkmate.

Position data

FEN: 8/5P1R/2p4R/2p3p1/1p1nP3/1P1Pk3/r7/4K3 w - - 1 62

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