Exchange bishop for queen

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bartek_zet

White moves from H7 to H8. Computer says that this is ok but better is H5? Why? It's exchange bishop for queen?

 

Strangemover

But the black queen is hanging so eg. Qxh5 gxh5 fxe4 white has won a bishop. 

daxypoo
not to mention white already captured the rook

so white gets a “queen trade” while pocketing a bishop and a rook

the best part is- black wins this game