Chess Puzzle #pEA1o — Master, Black to move, endgame

Position

White: king e7; pawns f5/g4. Black: king b2; pawns a3/f7/g6. Black is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Kxf7 — king e7→f7, captures pawn. Now Black to move.
2. Best move: gxf5 — pawn g6→f5, captures pawn. Opponent replies gxf5 (pawn g4→f5, captures pawn).
3. Best move: a2 — pawn a3→a2. Opponent replies f6 (pawn f5→f6).
4. Best move: a1=Q — pawn a2→a1, promotes to queen. Opponent replies Kf8 (king f7→f8).
5. Best move: Qa3+ — queen a1→a3, gives check. Opponent replies Kg8 (king f8→g8).
6. Best move: Qg3+ — queen a3→g3, gives check.

Tactical themes

advanced pawn, crushing, endgame, pawn endgame, promotion, very long. The key move gxf5 wins material.

Position data

FEN: 8/4Kp2/6p1/5P2/6P1/p7/1k6/8 w - - 0 51

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