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How Correct Were Mikhail Tal's Sacrifices? - Part 1

Ah... I understand now. Thank you for clarifying

Ah... I understand now. Thank you for clarifying

Printed book when work complete please! Thank you for your dedication to Misha.

Printed book when work complete please! Thank you for your dedication to Misha.

Nice work, but how can a guy from Norway know what a "pundit" is? Very sus! ;D

Nice work, but how can a guy from Norway know what a "pundit" is? Very sus! ;D

Dude you are EXTRAORDINARY. No offense. What a research!!!!Big hats off to you

Dude you are EXTRAORDINARY. No offense. What a research!!!!Big hats off to you

I am not sure, I am getting old and my eyes are not what they used to be, but:
Is there already any content in this text massive? Or will everything a normal person might be interested in be in part 4?

I am not sure, I am getting old and my eyes are not what they used to be, but: Is there already any content in this text massive? Or will everything a normal person might be interested in be in part 4?

@FischersDog said in #22:

Printed book when work complete please! Thank you for your dedication to Misha.

That would be nice if people are interested! Thank you. I was always dismissive of Tal, thinking that beginners overhyped him. However, after researching his games, I realized that the hype was actually not high enough! I don't think there's any other person in history who could sacrifice like he did, to be honest. I hope that will become clear in future parts of this series.

@HailstormChessPlayer said in #23:

Nice work, but how can a guy from Norway know what a "pundit" is? Very sus! ;D

Bouvet Island :P

@GettingMuchStronger said in #25:

I am not sure, I am getting old and my eyes are not what they used to be, but:
Is there already any content in this text massive? Or will everything a normal person might be interested in be in part 4?

That will come in part 5. I'll try to release parts 2, 3, and 4 (to complete the master article) in the next few days, then release part 5 the week after.

@FischersDog said in #22: > Printed book when work complete please! Thank you for your dedication to Misha. That would be nice if people are interested! Thank you. I was always dismissive of Tal, thinking that beginners overhyped him. However, after researching his games, I realized that the hype was actually not high enough! I don't think there's any other person in history who could sacrifice like he did, to be honest. I hope that will become clear in future parts of this series. @HailstormChessPlayer said in #23: > Nice work, but how can a guy from Norway know what a "pundit" is? Very sus! ;D Bouvet Island :P @GettingMuchStronger said in #25: > I am not sure, I am getting old and my eyes are not what they used to be, but: > Is there already any content in this text massive? Or will everything a normal person might be interested in be in part 4? That will come in part 5. I'll try to release parts 2, 3, and 4 (to complete the master article) in the next few days, then release part 5 the week after.

so much work, so many words, yet ...

Why?
What is the reason? what purpose, what intention? Did you ever question your motivation?

In order to appreciate the outcome (yet to come) i am asking for same guidance, not so much from the organisational point of view, but from the answer to questions like: "What drove you to take so much time of your life to create something that may seem objective at first glance, but without allowing us to see the interest, that was guiding you?

Also at first glance, i think, it is a contradiction to assess the value of sacrifices by having engines evaluation be the ruler. As if the love of chess would be dominated by mathemathics. Where is the human factor, the creation, the fantasy, the courage, the will power, the struggle, and so on... ?
To me, the game of chess has always been more than what stockfish says (and sometimes stockfish still spits out utter nonsense)

so much work, so many words, yet ... Why? What is the reason? what purpose, what intention? Did you ever question your motivation? In order to appreciate the outcome (yet to come) i am asking for same guidance, not so much from the organisational point of view, but from the answer to questions like: "What drove you to take so much time of your life to create something that may seem objective at first glance, but without allowing us to see the interest, that was guiding you? Also at first glance, i think, it is a contradiction to assess the value of sacrifices by having engines evaluation be the ruler. As if the love of chess would be dominated by mathemathics. Where is the human factor, the creation, the fantasy, the courage, the will power, the struggle, and so on... ? To me, the game of chess has always been more than what stockfish says (and sometimes stockfish still spits out utter nonsense)

"it is a contradiction to assess the value of sacrifices by having engines evaluation be the ruler." You haven't read my post then :). I understand that not many people are willing to read this post, and the point is to read the other articles anyway and only use the "master" post as a reference. I'm kind of reminded a bit of DailyInsanity's excellent work on "The Axiom System", which is as of now is still incomplete as well.

Edit: Re: the motivation, I was wondering if anyone had analyzed Tal's sacrifices because there is a common belief among chess players, perhaps started by Tal himself, that Tal's sacrifices were just all about confusing the opponent. Then I saw this reddit thread: https://www.reddit.com/r/chess/comments/199mr2s/mikhail_tal_and_modern_chess_engines/ and felt motivated to write something about this topic to try to answer the question for myself and others. However, as with any endeavor I start, instead of, for example, taking a look at some famous Tal games where he sacrificed a piece or a queen, I ended up looking at all of Tal's games, and now we have this behemoth ...

"it is a contradiction to assess the value of sacrifices by having engines evaluation be the ruler." You haven't read my post then :). I understand that not many people are willing to read this post, and the point is to read the other articles anyway and only use the "master" post as a reference. I'm kind of reminded a bit of DailyInsanity's excellent work on "The Axiom System", which is as of now is still incomplete as well. Edit: Re: the motivation, I was wondering if anyone had analyzed Tal's sacrifices because there is a common belief among chess players, perhaps started by Tal himself, that Tal's sacrifices were just all about confusing the opponent. Then I saw this reddit thread: https://www.reddit.com/r/chess/comments/199mr2s/mikhail_tal_and_modern_chess_engines/ and felt motivated to write something about this topic to try to answer the question for myself and others. However, as with any endeavor I start, instead of, for example, taking a look at some famous Tal games where he sacrificed a piece or a queen, I ended up looking at all of Tal's games, and now we have this behemoth ...

I have a very simplistic view on evaluating the correctness of a sacrifice:
Run all his games in an engine to get evals after each half-move.
Flag all half-moves where one of Tal's pieces is captured.
If evaluation drops significantly on the previous move made by Tal (so 2 half moves before) then it was a bad sacrifice (a.k.a. a blunder).
I could be missing a situation where something is sacrificed for several moves in a row and not taken at the first opportunity, but I don't think such a thing happened too often so that it would destroy the statistic.

I have a very simplistic view on evaluating the correctness of a sacrifice: Run all his games in an engine to get evals after each half-move. Flag all half-moves where one of Tal's pieces is captured. If evaluation drops significantly on the previous move made by Tal (so 2 half moves before) then it was a bad sacrifice (a.k.a. a blunder). I could be missing a situation where something is sacrificed for several moves in a row and not taken at the first opportunity, but I don't think such a thing happened too often so that it would destroy the statistic.