Chess Puzzle #BIHX6 — Intermediate, White to move, endgame

Position

White: king d3; pawns a2/b2/e5/f4/g3. Black: king g4; pawns a7/b5/c5/d4/e6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Kxg3 — king g4→g3, captures pawn. Now White to move.
2. Best move: f5 — pawn f4→f5. Opponent replies exf5 (pawn e6→f5, captures pawn).
3. Best move: e6 — pawn e5→e6. Opponent replies f4 (pawn f5→f4).
4. Best move: e7 — pawn e6→e7. Opponent replies f3 (pawn f4→f3).
5. Best move: e8=Q — pawn e7→e8, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, very long. The key move is f5.

Position data

FEN: 8/p7/4p3/1pp1P3/3p1Pk1/3K2P1/PP6/8 b - - 1 38

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