Chess Puzzle #IWA1n — Expert, White to move, endgame

Position

White: king e4; pawns a3/b3/d5/g4/h3. Black: king f6; pawns a5/b5/c5/g5/h6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: a4 — pawn a5→a4. Now White to move.
2. Best move: bxa4 — pawn b3→a4, captures pawn. Opponent replies bxa4 (pawn b5→a4, captures pawn).
3. Best move: d6 — pawn d5→d6. Opponent replies Ke6 (king f6→e6).
4. Best move: d7 — pawn d6→d7. Opponent replies Kxd7 (king e6→d7, captures pawn).
5. Best move: Kd5 — king e4→d5.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, very long. The key move bxa4 wins material.

Position data

FEN: 8/8/5k1p/pppP2p1/4K1P1/PP5P/8/8 b - - 0 38

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