![](https://www.isixsigma.com/wp-content/uploads/2022/10/krakenimages-376KN_ISplE-unsplash-scaled-1.jpg)
Here is a take on the Christmas challenge for you, Retrograde Chess. Your aim is to identify the missing piece. This position was reached only through legal chess moves.
A word of caution, its tough, it took me a few days to crack and I found coming back to it a regular intervals helped. If you decide to try it, good luck!
Merry Christmas