The bishop eyes f7
Press the weak point next to the black king
When Black takes with , you are in no hurry to win the pawn back. First you develop the bishop with , aiming at f7, the weakest square next to the black king. Material can wait: what matters is developing with tempo. If Black gets careless, as with , the blow appears. With exact defence Black equalises, but they have to find it.
6 in 10 players rated 2200+ choose it online.See dataHide
Online, 2200+: 62% of 596. It is hardly played over the board at 2300+.