Chess Puzzle #D2xQq — Intermediate, Black to move, endgame

Position

White: king h1; queen d6; pawns a4/b2/f6/h3. Black: king b6; bishop c6; knight g1; pawns a5/b7/e2. White is ahead by 4 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: Kxg1 — king h1→g1, captures knight. Now Black to move.
2. Best move: e1=Q+ — pawn e2→e1, promotes to queen, gives check. Opponent replies Kh2 (king g1→h2).
3. Best move: Qf2# — queen e1→f2, delivers checkmate.

Tactical themes

advanced pawn, endgame, mate, mate in 2, promotion, short. The combination ends with Qf2# delivering checkmate.

Position data

FEN: 8/1p6/1kbQ1P2/p7/P7/7P/1P2p3/6nK w - - 0 48

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