Chess Puzzle #F5yph — Expert, White to move, middlegame

Position

White: king g2; rook h8; bishop f3; knight b4; pawns a2/c4/d3/e2/g4. Black: king e7; rook a8; bishops c8/e5; knight f6; pawns a6/b7/d4/f7/g5. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Nxg4 — knight f6→g4, captures pawn. Now White to move.
2. Best move: Nd5+ — knight b4→d5, gives check. Opponent replies Kd6 (king e7→d6).
3. Best move: Rd8+ — rook h8→d8, gives check. Opponent replies Kc5 (king d6→c5).
4. Best move: Bxg4 — bishop f3→g4, captures knight. Opponent replies Bxg4 (bishop c8→g4, captures bishop).
5. Best move: Rxa8 — rook d8→a8, captures rook.

Tactical themes

equality, middlegame, very long. The key move is Nd5+.

Position data

FEN: r1b4R/1p2kp2/p4n2/4b1p1/1NPp2P1/3P1B2/P3P1K1/8 b - - 0 22

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