I recently noticed a possible bug in the site's pgn viewer. I was reading the answers to the question in this page. The first answer had a replayer. At one point of time when a pawn should capture a knight, the capturing move was not displayed correctly and it appeared as below:
I moved back to the starting position and the knight and the pawn where displaced as you can see below:
Is this a bug or is it simply because something is wrong with my browser?