Chess Puzzle #4sIzu — Intermediate, Black to move, endgame

Position

White: king g1; rook a6; knight c5; pawns b3/f2/g2. Black: king e8; rook b2; knight e5; pawns b4/f6/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Rxf6 — rook a6→f6, captures pawn. Now Black to move.
2. Best move: Rb1+ — rook b2→b1, gives check. Opponent replies Kh2 (king g1→h2).
3. Best move: Ng4+ — knight e5→g4, gives check. Opponent replies Kg3 (king h2→g3).
4. Best move: Nxf6 — knight g4→f6, captures rook.

Tactical themes

crushing, endgame, fork, long. The key move is Rb1+.

Position data

FEN: 4k3/7p/R4p2/2N1n3/1p6/1P6/1r3PP1/6K1 w - - 3 39

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