Black thought, by exchanging queens and other material, he could get out of trouble, but White was tactically alert. What did he see?
Here’s another test of your skills at working out all the lines of a mating attack.
If you have spent any length of time with this puzzle column, you have to know White’s first move here! The question, however, is whether you can see all the lines that demonstrate how White wins here.
Black has violated a good many principles of development such as not getting castled, playing with the queen too soon, and too many pawn moves. It’s your turn to show him the error of his ways.