David Forthoffer (2100) - Xiao Kang Zhong (2002) Titled Tuesday intern op 2nd May Chess.com INT (2), 2017.05.02
David Forthoffer (2100) - Xiao Kang Zhong (2002) Titled Tuesday intern op 2nd May Chess.com INT (2), 2017.05.02
In triangle mate, a queen checkmates the king. The queen is next to the king, and protected by a rook, which is two squares away, and also next to the king. The queen, rook, and king form a triangle.