Nice puzzle mate
Thanks
Nice!
No problem
NO WAY
The given solution seems wrong.1. Qxg7 is the only way to mate in 3 moves.1. Rxd7 Qxc3 will take longer
This puzzle is horrible. There are several solutions: almost all legal moves win for white.
As the Bard said, Qxg7 is the fastest win, and the puzzle says it's "incorrect".
You must consider he/she is only a 700 rated .
It doesn't require a high rating to click on the engine and see if your "solution" is indeed the solution, which is not in this case. The guy was just too lazy to do one click.