the way that king and queen mates ........ is very weird

minhduc220911 wrote:
blueemu wrote:

After 1. Kg3 White is threatening mate at f2 or mate on the back rank.

Black can't defend both threats.

why did white still win?

Because the starting position (in post #17) is already winning for White.

All Black accomplished by giving up his Queen was to hang on a few moves longer.