Chess Puzzle #2AH7h — Master, Black to move, endgame

Position

White: king g4; pawns a4/b3/c4/g5/h3. Black: king e5; pawns a5/b6/c5/g6/h4. Material is balanced. Black to move.

Solution (6 moves)

1. Opponent setup: Kxh4 — king g4→h4, captures pawn. Now Black to move.
2. Best move: Kf4 — king e5→f4. Opponent replies b4 (pawn b3→b4).
3. Best move: cxb4 — pawn c5→b4, captures pawn. Opponent replies c5 (pawn c4→c5).
4. Best move: Ke5 — king f4→e5. Opponent replies cxb6 (pawn c5→b6, captures pawn).
5. Best move: Kd6 — king e5→d6. Opponent replies b7 (pawn b6→b7).
6. Best move: Kc7 — king d6→c7. Opponent replies b8=Q+ (pawn b7→b8, promotes to queen, gives check).
7. Best move: Kxb8 — king c7→b8, captures queen.

Tactical themes

crushing, endgame, pawn endgame, very long. The key move is Kf4.

Position data

FEN: 8/8/1p4p1/p1p1k1P1/P1P3Kp/1P5P/8/8 w - - 8 40

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