Chess Puzzle #bo9xK — Master, White to move, middlegame

Position

White: king a6; pawns a4/c4/d5/e4/g3/h4. Black: king d7; pawns a5/b6/c5/c7/e5/g4/h5. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: c6 — pawn c7→c6. Now White to move.
2. Best move: d6 — pawn d5→d6. Opponent replies b5 (pawn b6→b5).
3. Best move: axb5 — pawn a4→b5, captures pawn. Opponent replies a4 (pawn a5→a4).
4. Best move: b6 — pawn b5→b6. Opponent replies a3 (pawn a4→a3).
5. Best move: b7 — pawn b6→b7.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, very long. The key move is d6.

Position data

FEN: 8/2pk4/Kp6/p1pPp2p/P1P1P1pP/6P1/8/8 b - - 2 36

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