Leela's immortal Nimzo-Indian "Decoy Pawn" and "Thorn Pawn" Chess Game! :Fritz 16 vs Leela ID 11089

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Game quality tags: amazing, awesome, astonishing, brilliant, classic, crushing, dynamic, elegant, exceptional, excellent, exciting, fabulous, famous, fantastic, finest, flashy, greatest, important, impressive, incredible, instructive, interesting, magnificent, marvellous.
Info about Leela Zero:
en.wikipedia.o...
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Leela Chess Zero (lc0) is a free, open-source, and neural network-based chess engine and distributed computing project.
Leela Zero's algorithm is based on DeepMind's 2017 paper about AlphaGo Zero.[3][6] Unlike the original Leela, which has a lot of human knowledge and heuristics programmed into it, Leela Zero only knows the basic rules and nothing more.[7]
Leela Zero is trained by a distributed effort, which is coordinated at the Leela Zero website. Members of the community provide computing resources by running the client, which generates self-play games and submits them to the server. The self-play games are used to train newer networks. Generally, over 500 clients have connected to the server to contribute resources.[7] The community has provided high quality code contributions as well.[7]
Leela Zero finished third at the BerryGenomics Cup World AI Go Tournament in Fuzhou, Fujian, China on 28 April 2018.[8]
Info about Alphazero:
en.wikipedia.o...
AlphaZero is a computer program developed by the Alphabet-owned AI research company DeepMind, which uses an approach similar to AlphaGo Zero's to master not just Go, but also chess and shogi. On December 5, 2017 the DeepMind team released a preprint introducing AlphaZero, which, within 24 hours, achieved a superhuman level of play in these three games by defeating world-champion programs, Stockfish, elmo, and the 3-day version of AlphaGo Zero, in each case making use of custom tensor processing units (TPUs) that the Google programs were optimized to make use of.[1] AlphaZero was trained solely via "self-play" using 5,000 first-generation TPUs to generate the games and 64 second-generation TPUs to train the neural networks, all in parallel, with no access to opening books or endgame tables. After just four hours of training, DeepMind estimated AlphaZero was playing at a higher Elo rating than Stockfish; after 9 hours of training, the algorithm decisively defeated Stockfish 8 in a time-controlled 100-game tournament (28 wins, 0 losses, and 72 draws).[1][2][3] The trained algorithm played on a single machine with four TPUs.
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Relation to AlphaGo Zero
Further information: AlphaGo Zero
AlphaZero (AZ) is a more generalized variant of the AlphaGo Zero (AGZ) algorithm, and is able to play shogi and chess as well as Go. Differences between AZ and AGZ include:[1]
AZ has hard-coded rules for setting search hyperparameters.
The neural network is now updated continually.
Go (unlike Chess) is symmetric under certain reflections and rotations; AlphaGo Zero was programmed to take advantage of these symmetries. AlphaZero is not.
Chess can end in a draw unlike Go; therefore AlphaZero can take into account the possibility of a drawn game.
AlphaZero vs. Stockfish and elmo
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#KCChess
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zero
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[@kingscrusher]

Replayable game with indented variations: www.chessworld.net/chessclubs/ltpgnviewer32/ltpgnboard.asp?GameID=5023782&v=FXdK72e0_PY

[@peterhardie4151]

You are giving justice to these Leela games. Your enthusiasm is great too.

[@armstrongarunachalam2221]

Win with black against the legendary Fritz is really a good show! Fritz is a tactical monster! Thanks KC for the detailed commentary!

[@Zadius]

Every rose has it's fawns! Great video KC! :)

[@ilyakalinin2660]

When they all say "It's stratigical draw", Leela says "There're thousands of different ways to checkmate in these variations, poor boys"

[@mustafaunal1834]

Beautiful and terrible Leela. This game is too complicated for human players... Thank you so much KC.

[@Mikey-gs1dx]

A glorious game. It was so exciting to watch live.

[@jamesthomas8885]

Wonderful ongoing commentary on the rise of the neural network chess computers. Amazing deep stuff. Keep it up!

[@schroederluck7984]

Loved this analysis. Every time I thought to myself "I wonder why that cannot be taken there?" when I noticed something was hanging, you would immediately address that exact issue! Some very interesting tactics in this game indeed!

[@thomaskaas4925]

Amazing commentary KC. Keep up the good work. I watched the game too. I was as stunned as you by this "decoy game". Simply amazing chess understanding by Leela..

[@drob9673]

That moment 14:30 when Leela waited for white to double rooks is actually very profound. Because what also happened there was that while Leela traded a bishop for the knight she also gained an abstract of open file for both of her rooks while simultaneously closing a file for blacks' rooks.

[@gruffyddgozali]

RIP Polly we will remember you!

[@kingscrusher]

RIP Polly

[@gruffyddgozali]

@@kingscrusher what was she like?

[@michaeltsung9741]

Amen. No doubt chirping away in Parrot heaven this very moment.....

[@rogerrothman]

The hype is real! I love your commentary. All of it!

[@fairytalejediftj7041]

There's a bit of Leela the troll resurfacing here.

[@Jaylooker]

After dxc5, white just feels strategically lost because there aren’t any exploitable weaknesses in black’s camp and most of white’s pieces are misplaced for the black attack. I think white had to bail out earlier and allow the possibility of the equalizing c5 instead of Na4 many moves ago.

[@tippy1951]

"The hype is real"..It sure is! Using the irresistible lure of material to "distract defender" and install the thorn pawn-loved and lol'd at your football analogy KC- and "pigs on the seventh"! GOOAAAL!

[@nunosousa4689]

Extremely complicated game, this one. Far beyond human capabilities, but instructive nonetheles. Well... some moves are quite intriguing from a strategical viewpoint. Nice to see the Leela "thorn pawn" signature theme :)

[@shyamvijay8985]

Can you analyze some of Leelas 'baby' games..? The initial mistakes and the learning process could be quite instructive perhaps

[@GrankFarrett]

Yeah, with the recent restart of Leela (id's starting with 2 instead of 1) it would be really interesting to follow her reincarnation while she grows to be stronger even than previous Leela.

[@fahimp3]

18:48 savage KC!

[@dr.mikeybee]

Leela is the proof of Kasparov's ideas on strategy. Have you heard him speak on the foolishness of Kotov's Think Like Grandmaster?

[@gregainsborough9866]

Fantastic game and brilliant commentary!

[@pauldelfranco78]

The Hype is Real!

[@tt0yeni546]

27:58 Rook sacrfice Idea

[@modolief]

Black plays pawn to e5, seemingly totally _en prise_ to the White Queen, and yet White dare not touch it--and all those variations to explain why. That's next level chess. Well, next level beyond the next level that I haven't even reached yet! These are the kind of moves I can only wish I could see.

[@ludgerkres.1437]

29:54 We have pigs on the 7th. I think I need to go to the hospital for that one.

[@modolief]

A tribute to Polly, the Knight on d5. I have a parrot! An orange wing tipped Amazon--mostly green, of course. He's noisy! His name is Alex. I'm his favorite person (unless there are children around).

[@pablosartor6715]

Leela's games are mesmerizing. Fawns pawns everywhere

[@u.v.s.5583]

If Leela had watched European football games, she would crash and dive far more often. What is the objective in the European football? To run into the box and to fall over, right?

[@joseraulcapablanca8564]

a briliant antiposistional masterpiece which became positionally very sound. also an informative and entertaining commentary. i too had an Amazon green which amused us all endlessly. Thanks KC keep up the good work

[@DrTheMaster]

Can devs update their engines after the first stage of CCCC? or is it the same version in the next stage? Thanks a lot KC, I can't miss a single LeelaChess video you provide, Love your work, from Syria.

[@Th3Wick3dOn3YT]

I love how leela tryfon pawns to win :) . Thx for not spoiling the ending, glad she avenged the fallen pawns.

[@dilyarm9477]

Thank you so much !

[@T8atGuy]

Witness the greatest chess commentator of all recorded history

[@devvanbutler2758]

Thank you

[@paulwhite760]

KC keeps his knights in a bird cage...polly wants a knight fork.

[@brownbearrr]

Where do we think leelas edge comes from against some of these traditional engines? Is she keeping a higher level of dynamic quality, presence / evaluation? Is she perhaps loosing some of these old engines in complications past their horizons of calculation? or are we anthropmorphizing her play too much? Keep any comments welcomes :)

[@LeifSandvik]

Very nice game again by Leela. Nice analyze and very good commentary KC. Keep up the good work.

[@4merxtian432]

We love you KC!

[@mrbdzz]

14:46. I don't think there was a problem in taking with the rook after all. 26. Rxc5 Rb6 27. b3 a4 can be met with 28. b4. This makes the choice even more mysterious, although SF9 at depth 40 also slightly prefers 26. dxc5 (+0.11) over 26. Rxc5 (0.00). My best guess is that the traditional engines want to move the d pawn to c file fixing the IQP problem, and just simply misevaluate the overall position. Small positional sins like this lead to big punishment by Leela as we've seen.

[@mrbdzz]

Great video, thanks!

[@drob9673]

It seems, that all that queen wants to do is to mate with the king while fawn is watching.

[@bernardfinucane2061]

Luring the defenders out of position is sometimes know as "dragging" in football.

[@thomaskaas4925]

I noticed that new NN after restart like Thorn pawns too. She just need some more experience !

[@gruffyddgozali]

at 14:57 why does white not capture the a pawn???

[@fahimp3]

I assume u mean the a5 pawn since KC already covered the c6 pawn. If a5 is taken by the Bishop then Knight f4 forks the Queen. If It's taken by the Rook then Rook takes b2 and then Knight f4 is a threat.

[@gruffyddgozali]

@@fahimp3 ohhhhhh

[@prioreofsion]

haha shout out to jrobi chess! lol

[@kingscrusher]

#jrobichess :)

[@soap6445]

I wish i was that "good student" i mean i've been watching KC channel since so long but somehow i can't understand the concept of chess and moves and idk where to start any good books to suggest ?

[@kingscrusher]

Anything by Irving Chernev but especially "Logical chess move by move"

[@soap6445]

KC actually replied to my comment what a surprise ! Thank you sir really appreciate it

[@modolief]

jrobichess -- I used to check him out on occasion 😀

[@excalibur1716]

what if white plays 32. f4 with the idea of taking e5 with the rook?

[@u.v.s.5583]

The Immortal Norwegian Blue.

[@cellardoor70]

It turns out pawns are not the soul of chess. Piece mobiity is.

[@russellmemo1353]

Dreaded fawn pawn 💀👿

[@manuelgarrido5602]

It is a pity that Leela do not realize she should play play opening AB engine would play worst than her... Such as King Indian..Or closed games.. But this one was very nice to see any way.. And may be she will make me wrong...

[@Eeeff]

RIP Polly, I hope life returns to the kitchen for you!

[@62calum]

what is a goal hanger? a poacher?

[@heffalump111]

a 'fox in the box'

[@nunosousa4689]

In Football/Soccer "goal hanger" is a forward player, sitting next to the goal, waiting for someone to pass him the ball for an easy score. Since inception, this practice is forbidden by the so-called "off-side rule": when a forward pass is made there must be at least 1 defender in-between the goalie and hanger (if offside is ruled, game stops and there is a free kick for non-offending side). This makes it possible for defenders to go up the field as a line, supporting attackers, because any infiltrator hangers would simply be offside.

[@orvillemedina2183]

Why i dslike your vlog you choose good games but your system is confusing almost near to mizleading

[@Krmpfpks]

While I love your analysis, the amount of ads playing in your videos lately starts to annoy me. Maybe tune them down a notch and start a patreon.

[@hqcart1]

A DRAW WITH CRAFTY??? Sorry, but the HYPE IS NOT REAL. something wrong about leela that needs to be addressed!

[@kingscrusher]

Credit to Crafty! Leela does have scope for improvement - there were also some other draws which both leela had and also Crafty though :)