The linked article includes a concrete example of such a case wherein a GM underpromotes to a rook to avoid a stalemate against another GM. https://media.chess

The linked article includes a concrete example of such a case wherein a GM underpromotes to a rook to avoid a stalemate against another GM. https://media.chesscomfiles.com/videos/wide/My_Best_Move_Alexandra_Kosteniuk.mp4 https://media.chesscomfiles.com/videos/wide/My_Best_Move_Ale...