Chess Puzzle #2W9KR — Beginner, White to move, endgame

Position

White: king c7; pawns b6/h4. Black: king a8; knight f3; pawns e2/g7/h5. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: e1=Q — pawn e2→e1, promotes to queen. Now White to move.
2. Best move: b7+ — pawn b6→b7, gives check. Opponent replies Ka7 (king a8→a7).
3. Best move: b8=Q+ — pawn b7→b8, promotes to queen, gives check. Opponent replies Ka6 (king a7→a6).
4. Best move: Qb6# — queen b8→b6, delivers checkmate.

Tactical themes

advanced pawn, endgame, exposed king, long, master, mate, mate in 3, promotion. The combination ends with Qb6# delivering checkmate.

Position data

FEN: k7/2K3p1/1P6/7p/7P/5n2/4p3/8 b - - 1 53

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