When you give mate but still don't know it's already mate.

@LaserGuy Love it. Very nice. I'll have to bookmark these kinds of games of mine going forward. I know it happens about once a week that I'll be surprised by my own checkmate of my opponent. "Huh? What happ-- that was mate?!" LOL.

Now that we talk about "epic" checkmates, here's one i won with 0.00 on the clock thanks to pre-move. I bet my opponent wasn't too happy about his last move : )