Chess Puzzle #scJ4j — Advanced, Black to move, middlegame

Position

White: king h1; queen f3; rooks a1/e1; bishop c4; pawns a3/c6/e3/f4. Black: king b8; queen g7; rooks b2/h8; pawns a7/b7/c7/f6/h3. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rg1 — rook e1→g1. Now Black to move.
2. Best move: Qg2+ — queen g7→g2, gives check. Opponent replies Rxg2 (rook g1→g2, captures queen).
3. Best move: hxg2+ — pawn h3→g2, captures rook, gives check. Opponent replies Kg1 (king h1→g1).
4. Best move: Rh1# — rook h8→h1, delivers checkmate.

Tactical themes

advanced pawn, collinear, double check, exposed king, long, mate, mate in 3, middlegame, sacrifice. The combination ends with Rh1# delivering checkmate.

Position data

FEN: 1k5r/ppp3q1/2P2p2/8/2B2P2/P3PQ1p/1r6/R3R2K w - - 0 29

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