Rating 1643 · Advanced · mate, mate in 1, middlegame, one move.
White: king c1; queen e5; rooks d2/h1; knight h5; pawns a2/b2/e2/f4/g3/h2. Black: king g7; queen e3; rooks a8/f8; bishop c8; knight g2; pawns a7/b7/c6/f7/g6/h7. Black is ahead by 3 points of material. White to move.
mate, mate in 1, middlegame, one move. The combination ends with Qg5# delivering checkmate.
FEN: r1b2r2/pp3pkp/2p3p1/4Q2N/5P2/4q1P1/PP1RP1nP/2K4R b - - 2 21
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