Chess Puzzle #2OVok — Advanced, Black to move, middlegame

Position

White: king g4; rooks b7/h7; pawns a2/b3/c4/d5/f3. Black: king f6; rook g8; knights d3/f5; pawn a5. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kh3 — king g4→h3. Now Black to move.
2. Best move: Nf4+ — knight d3→f4, gives check. Opponent replies Kh2 (king h3→h2).
3. Best move: Rg2+ — rook g8→g2, gives check. Opponent replies Kh1 (king h2→h1).
4. Best move: Ng3# — knight f5→g3, delivers checkmate.

Tactical themes

endgame, exposed king, long, mate, mate in 3. The combination ends with Ng3# delivering checkmate.

Position data

FEN: 6r1/1R5R/5k2/p2P1n2/2P3K1/1P1n1P2/P7/8 w - - 3 42

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