Confidence in Chess

I have often pondered is confidence in your theory or game an important factor to winning at chess? I tend to think confidence in what I'm playing and preparation does play an important role in my games. I would like to hear from other players on this idea.

Physical training is super important.

Train your mind and body to match strengths.

Confidence increases concentration

Confidence means nothing without ability. But confidence on top of ability is most likely an asset.

Personally, I find confidence to be most important in the later stage of the game. For example, if my position is not great, but I feel very confident that I can still beat my opponent, I'm more likely to find good moves. Or to put it another way, if things are not going well and I'm not confident either, I'm more likely to give up too soon.

I was a lot more confident in my game 25 years ago and did pull out a few miracles.

Confidence is an important aspect in terms of competition.

Confidence is good, competence is better. If you have both, perfect.

Confidence is good, overconfidence is not.

Confidence will lead you to a better mindset (but a pretty bad one if you find yourself losing) where overconfidence will turn you into an overinflated balloon that will pop at the slightest wrong move.

confidence + ability is good because you think you are good and you actually are
confidence - ability is bad because you think you are good but you're not and will probably get flamed on the chess board.

I play my best when I'm confident and have a great time. I think it gives me the most focus on making good moves.