Chess Puzzle #IP4bQ — Intermediate, White to move, endgame

Position

White: king b6; rook a5; pawn c7. Black: king f5; rook c1; pawns g3/h6. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Kg4 — king f5→g4. Now White to move.
2. Best move: Rc5 — rook a5→c5. Opponent replies Rxc5 (rook c1→c5, captures rook).
3. Best move: Kxc5 — king b6→c5, captures rook. Opponent replies g2 (pawn g3→g2).
4. Best move: c8=Q+ — pawn c7→c8, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, long, promotion, rook endgame. The key move is Rc5.

Position data

FEN: 8/2P5/1K5p/R4k2/8/6p1/8/2r5 b - - 1 46

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