Chess Puzzle #HRSSL — Intermediate, Black to move, middlegame

Position

White: king h1; queen h5; rooks g1/h3; knight h4; pawns a2/h2. Black: king h8; queen g2; rooks e8/g8; bishop b7; pawns a7/b6/d7/f6/f7/h7. Black is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nxg2 — knight h4→g2, captures queen. Now Black to move.
2. Best move: Bxg2+ — bishop b7→g2, captures knight, gives check. Opponent replies Rxg2 (rook g1→g2, captures bishop).
3. Best move: Re1+ — rook e8→e1, gives check. Opponent replies Rg1 (rook g2→g1).
4. Best move: Rexg1# — rook e1→g1, captures rook, delivers checkmate.

Tactical themes

fork, long, mate, mate in 3, middlegame. The combination ends with Rexg1# delivering checkmate.

Position data

FEN: 4r1rk/pb1p1p1p/1p3p2/7Q/7N/7R/P5qP/6RK w - - 0 27

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