I'm rated 1450 USCF and I think I've seen 3 attempts to play an illegal move across around 300 classical games OTB. Only one of them was me. In blitz it does ha

I'm rated 1450 USCF and I think I've seen 3 attempts to play an illegal move across around 300 classical games OTB. Only one of them was me. In blitz it does happen more.