I just recently blundered leaving my rook open to my opponent's rook only to see him advance his pawn thereby allowing me to take his rook and that same pawn with my next. The moment I took my hand off that piece I saw what I'd done and thought "Oh crud". I think that qualifies. lol
I just blundered my queen and my opponent missed it and I won on time. But I can't call what he did unskillful, and at the same time call it lucky for me. By definition it was our own actions that determined the moves so therefore not a force of luck. This is how we distinguish chess from other games, or games that have elements of luck by design verse games that don't which I believe is the original intention of this thread. Its why we consider chess a competitive sport.
I just recently blundered leaving my rook open to my opponent's rook only to see him advance his pawn thereby allowing me to take his rook and that same pawn with my next. The moment I took my hand off that piece I saw what I'd done and thought "Oh crud". I think that qualifies. lol