This is actually checkmate. The bishop is bi so he can mate both the queen and the king. : r/AnarchyChess
Is it possible to give a checkmate with only a queen and a bishop? If so, where can I find tutorials? - Quora
Checkmating Patterns – Queen & Bishop - National Scholastic Chess Foundation
Hand-drawn sketch set of Chess pieces. Chess pieces. Playing. White and black chess pieces. Mate. King, Queen, Bishop, Knight, Rook, Pawn 20817568 Vector Art at Vecteezy
How to Checkmate Your Opponent
Beginner question, how to deal with the early bishop queen checkmate? - Chess Forums - Chess.com