@GMIgorSmirnov It simply gives the white bishop the chance to infilitrate the position, wiining the game with a discovered attack, a double check at that
1.Rxc7 Bd5
2. Rd7 Re8++#
If Re7 instead, then Rxe7+, Qxd5 forced, followed by Re8+ which still wins the game
@chess_feed Qxf8 is forced, allowing
Nb6+ kb8
Nxd7+ Kc8/kb8
Picking up the black queen wirh a royal fork
All that's left is to convert it into a win, an easy game for white