I still make way too many blunders, especially in OTB games. If I think of all the tournament games I've played over the past year, I'd say that 75% of my losses are as a result of blundering when I had an advantageous or winning position. Even though it's horrible to experience such losses, they are important in the process of becoming a better chess player.
Josh Waitzkin says it best:
"It's very important to accept that winning and losing will both be part of our lives.
When I look back on my competitive life so far - it's true, I've won a lot of big games, championships, titles … but the funny thing, if I'm being completely honest, is that I hardly remember the wins. Most of them weren't terribly important moments in my growth as a human being.
But the losses, oh, I remember the losses. Each big loss is crystal clear in my mind because the experience was packed with life lessons that ultimately made me the person I am today.
If you think about that reality, of the losses being our greatest teachers, it's liberating. It sets you free to put yourself on the line, to give it your all ... There is no shame in losing; there is only shame in not trying."
If you've made a blunder, my advice would be to play on (within reason), and to try and recover. It's easy to resign, but it's also very important to know how to play losing positions, so consider it an opportunity to learn. And of course, your opponent can easily make a mistake as well. But most importantly: when you've made a blunder, remember it. Understand what you did wrong, and actively seek to prevent it from happening again.
And also, this game includes my most facepalm-worthy blunder of all time . It's incredibly strange what happened there. It's as though I didn't see his rook, and then 36. Bg7+ goes from a 6.5 advantage for white, to dead equal. I subsequently lost the endgame.
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