Chess Puzzle #20qM1 — Beginner, Black to move, middlegame

Position

White: king g1; queen b7; rook e1; bishop b3; pawns a2/b2/e6/g2/h2. Black: king h8; queen g3; rooks f2/f8; knight g4; pawns a7/e2/g7/h7. Black is ahead by 4 points of material. Black to move.

Solution (2 moves)

1. Opponent setup: hxg3 — pawn h2→g3, captures queen. Now Black to move.
2. Best move: Rf1+ — rook f2→f1, gives check. Opponent replies Rxf1 (rook e1→f1, captures rook).
3. Best move: exf1=Q# — pawn e2→f1, captures rook, promotes to queen, delivers checkmate.

Tactical themes

advanced pawn, endgame, mate, mate in 2, promotion, short. The combination ends with exf1=Q# delivering checkmate.

Position data

FEN: 5r1k/pQ4pp/4P3/8/6n1/1B4q1/PP2prPP/4R1K1 w - - 0 28

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