Puzzle 11084 is wrong

http://en.lichess.org/training/11084

After white plays g3??, Qd5 is much stronger than the solution but is marked as wrong. Qd5 has mate in 3, but the given solution only wins a queen with no forced mate.

You're right. There is a forced mate there but it takes a lot longer.

Yep, that's definitely a mistake. Things like that happen when automatically generated puzzles. It's goot to mention them though.

damn beware, you try it you lose the points! xd

I just encountered it too, is it going to be changed?

The main reason of the confusion seems to be that the computer plays the wrong piece to the g3-square. Playing the bishop to g3 allows only Rxe1 and no more Qd5. (Bg3 is the computer's choice)

omg i just played it and lost 31 points :(