Chess Puzzle #1BH4v — Beginner, White to move, middlegame

Position

White: king a3; queen e4; pawns a2/b3/e7/g4. Black: king h8; queen d2; rook h2; pawns a6/b7/e2/g7/h6. Black is ahead by 6 points of material. White to move.

Solution (1 move)

1. Opponent setup: e1=Q — pawn e2→e1, promotes to queen. Now White to move.
2. Best move: e8=R# — pawn e7→e8, promotes to rook, delivers checkmate.

Tactical themes

advanced pawn, endgame, mate, mate in 1, one move, promotion. The combination ends with e8=R# delivering checkmate.

Position data

FEN: 7k/1p2P1p1/p6p/8/4Q1P1/KP6/P2qp2r/8 b - - 3 36

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