Help to explain this move

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Avatar of Alex-000-0

Hi,

I am new to chess.  Whilst playing against a bot on chess.com, the hint suggested me to move the rook from A1 to B1.  After moving it out of curiosity, I was expecting the black queen to take it, but they didnt.   

Can anyone explain to me how the suggested rook move was a good one and why the queen didn't take it.

Thanks!

Avatar of SEDAN777

After taking the rook, white's bishop can check the king and then the queen is hanging

Avatar of ZyzomysAbyss
After taking, the dark-squared bishop can go Ba3 check, and the white queen is threatening the black queen
Avatar of Alex-000-0

I only just saw that I have some replies! thank you so much for taking the time to answer my question . Now that i have played a few more months I can see that move.