Chess Puzzle #0YI4u — Beginner, Black to move, endgame

Position

White: king g5; queen f5; pawns g3/h3. Black: king c4; queen a5; pawn b6. White is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Qxa5 — queen f5→a5, captures queen. Now Black to move.
2. Best move: bxa5 — pawn b6→a5, captures queen. Opponent replies g4 (pawn g3→g4).
3. Best move: a4 — pawn a5→a4. Opponent replies Kh6 (king g5→h6).
4. Best move: a3 — pawn a4→a3. Opponent replies g5 (pawn g4→g5).
5. Best move: a2 — pawn a3→a2. Opponent replies g6 (pawn g5→g6).
6. Best move: a1=Q — pawn a2→a1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, quiet move, very long. The key move bxa5 wins material.

Position data

FEN: 8/8/1p6/q4QK1/2k5/6PP/8/8 w - - 0 46

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