Sometimes a blunder can actually help you winning a game. For example you miss an in-between move from your opponent that refutes a combination you calculated but he also fails to spot it. But here is a simpler example:
In the following game I played as white. My 26th move was quite a bad mistake, but because of my opponent's bad move it actually eased my way towards winning the game.
Originally posted by @eladar My [b]move was quite a bad mistake, but because of my opponent's bad move it actually eased my way towards winning the game.
A perfect description of every game of chess I've ever won.
Here is an example
Move 28 was a mistake but my opponent gave it back with move 34
Thanks! You were so much better in this game that your move could be counted as a simplifying sacrifice I guess! Actually what I meant was a more continuous and forced sequence of moves.
Originally posted by @laskerian Thanks! You were so much better in this game that your move could be counted as a simplifying sacrifice I guess! Actually what I meant was a more continuous and forced sequence of moves.
Forced? I'm not to the point to where either my opponents or I can calculate forced moves. Even if my opponent can, I wouldn't realize it and simply think I lost due to bad luck.