Rating 1555 · Intermediate · mate, mate in 1, middlegame, one move.
White: king e1; queen g4; rooks d5/h1; bishops c7/f1; pawns a2/b2/c3/f2/h2. Black: king e6; queen a6; rooks a8/h8; bishops c5/c8; pawns b5/b7/f7/g7/h7. Material is balanced. White to move.
mate, mate in 1, middlegame, one move. The combination ends with Bg2# delivering checkmate.
FEN: r1b4r/1pB2ppp/q3k3/1pbR4/6Q1/2P5/PP3P1P/4KB1R b K - 0 21
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