Chess Puzzle #70aGE — Expert, White to move, endgame

Position

White: king g5; pawns a2/h6. Black: king c3; pawns a5/h7. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Kb2 — king c3→b2. Now White to move.
2. Best move: a4 — pawn a2→a4. Opponent replies Kb3 (king b2→b3).
3. Best move: Kf6 — king g5→f6. Opponent replies Kxa4 (king b3→a4, captures pawn).
4. Best move: Kg7 — king f6→g7. Opponent replies Kb3 (king a4→b3).
5. Best move: Kxh7 — king g7→h7, captures pawn.

Tactical themes

crushing, endgame, pawn endgame, quiet move, very long. The key move is a4.

Position data

FEN: 8/7p/7P/p5K1/8/2k5/P7/8 b - - 1 50

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