Chess Puzzle #gCQyn — Expert, Black to move, endgame

Position

White: king g2; rooks f5/g1; bishop f4; pawns b3/h7. Black: king h4; rooks a2/e2; knight g4; pawns b7/d4. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Kf3 — king g2→f3. Now Black to move.
2. Best move: Nh2+ — knight g4→h2, gives check. Opponent replies Bxh2 (bishop f4→h2, captures knight).
3. Best move: Re3+ — rook e2→e3, gives check. Opponent replies Kf4 (king f3→f4).
4. Best move: Rf2# — rook a2→f2, delivers checkmate.

Tactical themes

endgame, exposed king, long, mate, mate in 3, sacrifice. The combination ends with Rf2# delivering checkmate.

Position data

FEN: 8/1p5P/8/5R2/3p1Bnk/1P6/r3r1K1/6R1 w - - 3 47

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