Chess Puzzle #oLYm2 — Master, White to move, middlegame

Position

White: king g2; rook a7; knight e1; pawns d3/f2/g3/h2. Black: king g4; rook c2; knight c3; pawns a2/c5/d4/f5/g6. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Rc1 — rook c2→c1. Now White to move.
2. Best move: Nf3 — knight e1→f3. Opponent replies f4 (pawn f5→f4).
3. Best move: Rf7 — rook a7→f7. Opponent replies Rg1+ (rook c1→g1, gives check).
4. Best move: Nxg1 — knight f3→g1, captures rook. Opponent replies a1=Q (pawn a2→a1, promotes to queen).
5. Best move: Nf3 — knight g1→f3.

Tactical themes

advantage, endgame, very long. The key move is Nf3.

Position data

FEN: 8/R7/6p1/2p2p2/3p2k1/2nP2P1/p1r2PKP/4N3 b - - 3 45

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