Mind over Matter

The diagram below is a setting for an endgame composed by Armenian Grandmaster Genrikh Kasparyan (1910-1995). White to play and win. Though White is two pieces ahead, Black threatens 1...f3xg2 mate as well as queening his e-pawn. It appears that Black's threats are more potent than White's plus in material. On an open board, however, a Bishop may prove to be more powerful than a Queen. Watch this...