In this position, (black to move) Qe1 is apparently checkmate, but I am confused because the rook is pinned and therefore cannot defend the queen. Can someone explain this to me?

In this position, (black to move) Qe1 is apparently checkmate, but I am confused because the rook is pinned and therefore cannot defend the queen. Can someone explain this to me?

In this position, (black to move) Qe1 is apparently checkmate, but I am confused because the rook is pinned and therefore cannot defend the queen. Can someone explain this to me?

What happens when only queens are left in chess? - Quora

X-rays, skewers, dogs and cats

I tried to find the position (not required to be a reachable position, just legal in the sense the king isn't in check, and pawns aren't on 1st or 8th rank) where

Is there a position in chess where the only legal move is checkmate? - Quora

Can my opponent Castle me into Checkmate? - Quora

Black to move, Mate in 6. Kinda proud to find this mate during a real game : r/chess

Chess Opening Theory IM Mark Ginsburg Presents A Personal Chess History

What should be defined as an en passant checkmate? - Quora