Lahno-Artemiev, FIDE World Rapidplay, round nine, last Friday. Position after 68...Qf5-e6+.
It's not the first time I've borrowed one of these from Chess Today (to which publication, I should add, I recommend you all subscribe) and this one is from their issue 4595.
Naturally, almost anybody can find a really bad move in almost any position. But can you find the very worst move in this position? And can you do so at rapidplay speed?
[Worst Move index]