Stockfish 12 Wins TCEC Season 19!

Join NM Sam Copeland as he breaks down this epic matchup between computer chess engines Stockfish 12 NNUE and Leela Chess Zero during the TCEC Season 19 Superfinals!
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#chess #computerchess #stockfish

[@japooskas]

The rook and queen sacrifice to get your king stalemated, such cold robotic precision lol

[@Xbotto]

Eric rosen approved

[@nicolasleonnarino3159]

@@Xbotto "oh no"

[@1212_Bir]

@@Xbotto The topic here is :: 3500+ELO...64-bit...8-CPU world-class Mechanical Players (esp. SF.nnue , Lc0 , KD.nnue) of Standard Chess ( One of the millions of greatest achievements of Science & Technology ) Not Eric.

[@mygmailaccount5068]

@@1212_Bir yeah exactly

[@mba4677]

@@1212_Bir lmao, the people here...

[@jamqx3243]

Me: _moves a pawn_ Stockfish: Mate in 116

[@schunando]

Haha more like mate in 20 against humans

[@besi5320]

If you last 100 moves on stockfish then you're the best player of all time

[@Tsunbanana]

Alphazero*

[@karnvarshneya3019]

Bold of you to assume you can last that long against stockfish.

[@abcdefghijklmm369]

@@Tsunbanana nah Stockfish is probably stronger. alpha zero smashed Stockfish 9, but we have Stockfish 13 now

[@burt591]

It looks like alien chess, all of the moves are counter-intuitive

[@chrisiver8506]

Sicilians man

[@joshboy88420]

Thats because it is. Intuition, along with intelligence and creativity, are the 3 pillars of a chess mind. This is what pure 100% computer intelligence looks like

[@UrbanNilssonOssian]

Intuition is just your brain’s neural net coming up with answers. If your brain had trained on millions of games, it too would play like an engine.

[@dekippiesip]

@@UrbanNilssonOssian yeah it's funny to think of our brains as a neural network that has been trained for hundreds of millions of years. Each generation more and more shit has been throwed at us and we got better and better as a result. It's ironic that in a way, Darwin actually discovered the principles of neural networks, but then applied to biology. We haven't been trained in chess, we have been trained in the art of survival, and we got so good at it we managed to invent games like chess in order to spice up our spare time.

[@PHeMoX]

@Ben Cameron You're very wrong. The way the brain works is it can create new neural network connections too (and frankly, it does so on a daily basis pretty much, whenever it learns). It also arguably has enough neural network connections to be just as efficient. The real difference is in how we do not have access to a vast database of perfectly memorised games or knowledge of said games being played and their outcomes. I'd say the issue with very high level human chess play is how it also includes a lot of 'trends' of moves that are considered theory / book / standard / 'good' or whatever, but which might not be the absolute best move (at all). It's often mostly good because the opponent will play _another_ book move in turn, having been taught it to be good moves. In fact, I dare say the evaluation of games online generally won't show true 'engine moves' often at all, because it assumes it would have never been played by a human anyway. Keep in mind that true chess AI has been able to consistently beat humans decades ago. Mostly due to having access to a vast database of known games and their moves, but also a pretty significant advantage in doing calculations for all pieces on the board with pretty much a perfect accuracy. Would a good chess AI forget to calculate 'all' moves for a certain piece on board? Nope, probably not. It's due to mostly perfect memory. Oh and to respond to the initial comment, the neural networks in our brains on a per individual basis, are actually largely created when growing up and living. There are some structures that are going to be responsible for very specific tasks by default obviously (speech, creativity, memory, conceptual reasoning, etc. ), those are more a part of evolution. But the individual neural network links that exist in the brain, are mostly a result from training too. (And we have billions of neurons (brain cells), which is still more than most (single) computers would have access to currently. Sidenote would be how cloud computing has become a thing of course). Still... brute force calculating by a super computer won't be the true future of AI. It's still a lot like the young kid trying to force a block into its toy box where the shape of the block simply doesn't fit, not matter the force or rotation applied. It's very different from analysing the block and the shape of the hole, predicting it wouldn't fit and try something else, all in a split second. It's why we're very far off from general AI.

[@happygood18]

Me: Moves a pawn Stockfish: I see that you are doing king's sacrifice.

[@tomasgoes]

Shhhhhhh... I am just working on a new gambit.

[@31redorange08]

You can't sacrifice your king.

[@magicstix0r]

@@31redorange08 r/woosh

[@arpanmukherjee961]

OMG Shadow Fight 2 fan!!!❤️❤️❤️❤️❤️

[@waitwhat238]

@@31redorange08 Any game against Stockfish means you sacrifice your king

[@DylansLappalterCopium]

This Stockfish guy seems to be a good player, how is he not GM yet?

[@manuelmoscardi6606]

Cause he's trapped on Hikaru's ceiling

[@manuelmoscardi6606]

@ZXY GLORY good one good one, let's keep going

[@gamingwithglasses4544]

@ZXY GLORY for the opening yeah but endgame and middle game you can really memorize.

[@jere7967]

@ZXY GLORY chess has always been, in part, a memorization game, cause of the opening tactics and the early-middle game. But the amount of possible positions is enormous, and it's humanly impossible to memorize all the good moves in all of them. Opening tactics aren't new, and yes memorization is an important part of the game, but you can't become a GM only by learning positions, you have to learn to calculate and anticipate your opponent

[@pasuh]

@@Nadzap that’s the joke

[@tranminhhieu9492]

Me: playing normal chess moves Computer: *FREESTYLE*

[@muhammadthayyib2855]

Lol

[@kavyagarg2999]

Lol😂😂😂😂

[@thatoneguy9582]

_now it’s time to get funky_

[@xxjere.c8483]

Lol

[@sublimeade]

PARKOUR

[@imamgiuseppe5103]

Computer used to be instructional back in 2017 and 18...now it's just a magic show

[@codex4336]

The engines were running from very powerful computers. SF 12 on TCEC usually reaches 80+ plies. The deeper an engine analyze a position, the harder for a human to understand it

[@MrGermanpiano]

Unless you see how they fail to detect a fortress and display the same evaluation for 20 moves....

[@chessbitz6846]

@Utsav Joshi True... If you analyze a move where you blundered with a average desktop computer it will still think for few seconds before it concludes it is a blunder unlike humans who can use their intuition to say something like "this is a blunder because you don't seem to get any compensation for the piece", engines will hardcore calculate everything so fortresses are hard to understand sometimes...

[@anupbarua6151]

@@MrGermanpiano not quite. in a carlsen caruana game, caruana was pressing, and at a point they both thought carlsen has made fortress n the game concluded as draw. but stockfish showed it was actually a win for caruana in 32 moves. after game carlsen was showed the sf evaluation, still he had hardtime understading sf winning move. but he understood eventually.

[@MrGermanpiano]

@@anupbarua6151 well but then the players failed to realize that it is not a fortress and not the engine. I was talking about positions in which there really is a fortress.

[@RayVitoles]

Me:Computer games are probably boring,fast draws with repetition or sth Stockfish:Plays crazier than Tal Me:Wait,thats illegal

[@raa9558]

This game was very unique and thats why he said its one of his favorites in the beginning.

[@EGarrett01]

Top computers draw at about the same rate as top human grandmasters. Which is kind of funny since they're far, far stronger. But they have no fear of each other at all so they never play it safe.

[@kpradheep8868]

@@EGarrett01 Yes that is a point

[@kpradheep8868]

It makes tal pretty secondary option now

[@kpradheep8868]

Compared to engines

[@luciano53688]

The possible stalemate on 16:48 is beatiful

[@indubansal9398]

Congrats stockfish

[@user-uw6fp4wp5o]

I am good friends with Sfish, i will pass on the warm regards.

[@trickycs1682]

Stockfish had magnus on .... cheater

[@bajuenarm1799]

Thanks I appreciate your support

[@stockfish5622]

@@trickycs1682 Its only Stockfish 11 the Stockfish 12 is stronger + with NNUE network to increace more possibilities the range of rating is between 3600 to 3700 but Alpha Zero is making a 4000 rating Alpha Zero is on upgrades

[@PHeMoX]

@@stockfish5622 I wonder how offset those ratings are due to AIs finding ways to still draw, where a human would be expected to win (keep in mind, this is about highest rated players). I'm sure humans naturally blunder much more than any AI would, which accounts for the rest of the difference. But it's interesting stuff for sure.

[@robertjay1179]

I like that you did not rush thru the moves so us beginners can have a chance to learn. Thank you.

[@Loxu69]

Oh he didn't slow down for beginners, a lot of the moves he slowed down on are moves that even GM's wouldn't see, thats how insane these computers are

[@mikejameson7678]

@@Loxu69 Well.. they are computers... I mean, math isn't exactly difficult on hardware.

[@zombieperson620]

16:40 Damn, that's some Eric Rosen class stuff.

[@darkrebellion8241]

"Oh no my queen!"

[@Cscuile]

"Anyways, I started sacrificing"

[@sillymesilly]

Where's stale mate, white makes a queen.

[@zombieperson620]

@@sillymesilly It's black to move

[@sethadkins546]

@@darkrebellion8241 "My beautiful queen!"

[@LeventK]

Last time i was early, Kasparov was arguing about deep blue's 37th move.

[@accshay]

lol best

[@pawncube2050]

I didn't expect to find you here too lol

[@accshay]

@@pawncube2050 who me?

[@pawncube2050]

@@accshay I meant Levent. I think I usually see him in classical music videos

[@peep2268]

@@pawncube2050 Levent comments on pretty much every chess video

[@sethadkins546]

Y'all can never convince me that Stockfish isn't a goddamn anime protagonist

[@YashGuptaaaa]

Daamnn that stalemate was just amazing

[@ACMEKILLAH]

Can't believe I watched a 17+ minute chess clip, and enjoyed every single moment of it!!

[@halneufmille]

Leela: I could make a genius stalemate if my opponent just checks me. But it's Stockfish so why bother.

[@UrbanNilssonOssian]

I just installed the newest Stockfish NNUE. At move 10 it's search started hitting the endgame database :)

[@mayattv4986]

Where to download sir please? Please help me

[@iliillillilli2991]

@@mayattv4986 search up stockfish on your browser click the stockfish chess website and download it you will need also a chess gui like arena which you can also simply download

[@randomrainbow8423]

Bet you were already in the endgame by move 10 that's why :)

[@luciano53688]

Every other week we have a "watershed moment in computer chess". Welcome to the future

[@thechesssavage6400]

The new chess renaissance, if you will. Fishers probably rolling in his grave.

[@eydok5114]

Man, Bobby Stockfisher really lives up to his name.

[@mereactnow]

I have been using stockfish since last 3 years. And no doubt my chess skill is improved much. Specially my openings are one of the best. In most of the games against any engine upto 20 moves, my game remains on equal position.

[@remiblaise]

Congrats

[@AydenA]

I'm so terribly competitive that I've just begun watching videos but not playing cause I get too angry

[@cyruswang9354]

where is the comment that always says Leela lost because it was forced to play unprefered openings??

[@milankotevski1663]

Yeah, those people are really annoying.

[@echsenjackson7182]

Is it true tho?

[@milankotevski1663]

@@echsenjackson7182 No.

[@FiwexGwendalavir]

@@echsenjackson7182 No because each programme play both position on both side. And they force some mooves at the start to have some diversity

[@Kenneth-iv8lc]

@@echsenjackson7182 Some openings that Lc0 wasn't good enough yet like some Sicilian defense opening lines/variations, some QID with black pieces. Those have I noticed it as of now compared to SFclassical & SFnnue even more. And both SF especially the classical one (unlike nnue which is much lesser now [even though there are still some openings to figure it out in the future] ) aren't good at some openings as well like French, Pirc, some KID openings, some Caro Kann & Robatsch (aka Modern) Defense too against Lc0. So that's why SFdevs created the NNUE since June I think to solve those problems and gained a lot of elo too from SFclassical even though they might still improving SFclassical by some time till now and so on.

[@philkalus5720]

This shows humans are in first grade, while engines are at PHD level as far as chess is concerned !!

[@Loxu69]

idk maybe this'd be true once engines stop losing to the hippo opening

[@rickgao9573]

@@Loxu69 it'll just require more lines. No sane chess player would actually use the hippo besides to bust engine cheaters, and no engine would even think of using the hippo because it puts them at too much of a disadvantage. As soon as stockfish gets a few hundred thousand games in the hippo, all hope has been lost haha

[@guii8993]

Stockfish is so talented that i sometimes think he use engines

[@KariThomasMiller]

Just calculating that they'll be able to take 5 pawns for a rook is totally nuts... Its bizarre to watch when just about every move is a brilliancy.

[@zeNUKEify]

Computer chess makes even the strongest human players look like children

[@lucasariel3133]

This was so amazing I'm definitely writing down the game as well as the lines to study them later. It'll be fun

[@julianjolts5050]

Take a shot every time he says “turns out to be very strong”

[@kingjensen8091]

I just came back here to say congrats to Hikaru's ceiling, really outplayed itself this time.

[@teddymargoles5829]

holy christ this was insane off a couple dabs

[@codyheiner3636]

Wow that stalemate at the end was so cool

[@martinkoch7958]

I love your calm commentary !

[@MikaelNevear]

Copeland: Stockfish is using a daring stategy here, baiting it's opponent. Stockfish: Pawn goes Beep-Boop

[@richie4902]

Congrats Stockfish!

[@chiruraju1306]

🎂🍚

[@sethadkins546]

🐟🐟🐟🐟🐟

[@leonardsmith9870]

"Greedier than Yasser" made me chuckle

[@XecutionStyle]

I just read the NNUE wiki... did they turn chess calculation into matrix manipulation? That would be huge. Not just for chess but for any symbolic representation and distillation of arbitrary knowledge. This is insane.

[@burt591]

I wish I was smart enough to understand what you just said

[@XecutionStyle]

@@burt591 A Matrix is just a collection of numbers. Things like subtracting and multiplying are defined, just the way they are for numbers (you can think of a number as a matrix with just one "element"). The cool thing is computers are really fast at manipulating matrices. They're not good at understanding anything other than numbers. If we can represent knowledge i.e. what a knight is, what a legal chess move is, etc. as numbers, can math operations be done on these "representations", or matrices (of knowledge) to come to conclusions?

[@artificiallychallenged]

@@XecutionStyle Well most neural network computations involve representing the board state as a vector and then performing matrix multiplications on that vector. The matrix values are what is inferred based on which sort of learning algorithm you have. But matrices have been an integral part of representing the connections of a neural network since the start and vectors are naturally how you would represent the neurons so that propagating the data through the network becomes matrix vector multiplication. And so matrices and vectors as means to represent arbitrary data and its relationships is integral to neural networks and therefore to chess AI as it currently exists

[@intermitttence2022]

Yep, agree with Artificially. Neural nets have been matrix multiplication since like forever, but what NNUE did was that only part of the net would have to be recomputed from move to move. In order to do so, NNUE nets are much dumber and less complex than bigger nets like Leela nets, but the speedup more than makes up the dumbness of the NNUE.

[@greengoblin9567]

@@intermitttence2022 but humans are much smarter and more complex than Leela, but they have no search algorithm whatsoever.

[@yashs9502]

King to a7 Leela: aight imma head out

[@joaorenato1181]

That knight on d5 was a great wooden shield variation

[@nowknow]

5 moves in and stock fish tells me I missed mate in 48 :/

[@vivaldiadit2949]

Sacrafice knight and rook is beyond human brain. No human dare to sacrafice like that and winning with style.

[@musicalneptunian]

Mikhail Tal and Alekhine would have been impressed with these tactics. That raises an interesting chess future; surely it is a matter of time till human players study this chess and to a human extent emulate it. Can a human play with such concrete tactics and put prior intuitions, some longheld, on the shelf? Some young GMs could. That raises another interesting future trend; will players get "coached" by studying these games and not have human coaches?

[@odysseas573]

Modern top players rarely use general considerations when evaluating a position. Nowadays it is more about concrete thinking. So players are already doing that. The general principles are taught to beginners because it is easier for them to grasp. On the subject of if the top players will be influenced we can say a definite yes. Flank pawn advances ( a and h pawn) are are becoming more and more standard in top level tournaments. Magnus Carlsen has had several games lately where he completely disregards pawn structure in favour of dynamic compensation. He even said that he has been influenced by AlphaZero.

[@Loxu69]

There is a limit to human calculation and considering that most games are going to lead to new positions its not like you can calculate every position in advance. As far as emulating them well, to an extent, they've already been doing that for a long time. Think of engines as a tool to learn chess better not something to emulate and strive for because engines have taught us a fair bit about chess but we will never be like an engine.

[@kingjensen8091]

"6. g4, very suspicious" - Ben Finegold probably

[@NaMnAmg1v3Away]

I'll download this engine today, lose a million times and learn nothing .

[@klingenschmidt9261]

@Juvilent r/woooosh

[@kavyagarg2999]

Kere's attack I have learn in magnus trainer 😁😁

[@pemainpesgratisan6392]

Imagine watching computer vs computer

[@jjwise12345]

I knew the new version of Stockfish would crush Leela. Congrats to my favorite player on a great victory

[@DarchrowTheEnigma]

11:26 - you suggested the move pawn to h6, but isnt it a mate if queen to h8?

[@jjwise12345]

Yeah but after qxf6 black has time to escape, though the only move I see is be6 and that looks terrible

[@RedArremer]

The move is not suggested, but rather 'intended' if black doesn't allow Qh8#

[@PaulCumbers]

At 14:55 , instead of taking on g7, I presume ...Qg6 (intending ...Qb1+/Rb1+) isn't a problem for White?

[@nguynn4866]

I guess you can just block it with Ba2, hide the king on a3 and b8=Q is still a threat

[@gabrielduchambon8746]

Your comment annoyed me so I checked. On 1...Qg6 2.Ba2 white is lost after Qc2. The correct move is 2.Ba6+! Kxa6 3.Qxc6+, with a lot of checks and eventually g8=Q. Qg6 is a nice ressource, but SF is too strong ! 😅

[@adarshdiwakar9466]

1:55 me - knight takes knight Stockfish - takes knight Me: fuckkkk am genius.

[@waitwhat238]

Me: *Moves a piece* Stockfish: "I AM 3 PARALLEL UNIVERSES AHEAD OF YOU!"

[@jlazard2065]

Beautiful explanation and game! I am impressed!

[@davegodofficial709]

Me: e4 StockFish: Blunder. +M13

[@youuuuuuuuuuutube]

Crazy game. Waaaaaaaaaay beyond my limits.

[@IIIIIIIIIIIIIIPKIIIIIIIIIIIIII]

I don't understand at 4:16 ... why after the white pushes their pawn to attack, you can't just move the middle pawn of the 3 forward and block off the pawn? I don't see any threat here and I'd happily take a piece if it's open with no repercussions - which is that this looks like

[@woahdude5553]

they take your knight. the move is attacking the knight.

[@projjwalmukhopadhyay4232]

The terminator is watching this from somewhere.

[@kytacoyigo3988]

I love the way this guy speaks

[@user-ov2kx8ql5i]

Me playing my usual opening against stockfish to test it. Stockfish: I see, we meet again.

[@yourdedcat-qr7ln]

We got sushi. My fish is back on top

[@yonatanshenhav1208]

a great game and a great review (and i never think reviews are good)

[@aryanparekh9314]

Continues to inspire me to develop my own,

[@martinluther7791]

Johnny Sins teaching me chess too

[@matthewviramontes3131]

If they ever figure out that quantum computing stuff, with computers being able to calculate orders of magnitude more than traditional computers, and then use that computing power to build a chess engine ("Stockfish quantum", I suppose), I think that's really gonna blow the top off the chess world and give us super powerful engines, rated like 5,000 ELO.

[@thechesssavage6400]

My eyes would brim with tears... even more so than they do now.

[@Sancsentity]

Pls more analysis video of TCEC19!

[@vladimirvargas3053]

Your presentation of the game is sublime

[@dantedeloden]

hah i did calculate it correctly, when bishop blocks i said no the pawn push is not correct, i calculated at the beginning queen to h4 with rook sac to pin pawn! watching hundreds of lc0 / nnue videos has improved my tactics so considerably its outrageous

[@mana24]

This guy's voice is so calming. Awesome video

[@Cscuile]

I look forward to seeing the next "NNUE" in chess. If I had to guess, it would come from either newer network architectures, specialized networks, high GHz Breakthrough in CPUs, or through Quantum Computers. All of which could potentially bring another +100 Elo to the current version of Stockfish.

[@riccardoorlando2262]

High GHz is not gonna happen, we are hitting the limits of the very universe on that front. A scary but interesting fact: in the time a modern CPU takes to do a single clock cycle, light moves 20 cm. That's shorter than the cable from your PC tower to the monitor. Also, transistors won't be getting smaller. They are already only 17 atoms across, and making them smaller means dealing with increased errors from quantum tunneling electrons. Since we're talking quantum computing already, I don't think QC goes well with AI. The main strength of AI is heavy computation, which is exactly the only weakness of QCs: they are very small and very slow. Even if something like Shor's algorithm but for matrix multiplication comes about, classical heavy-duty computation is still gonna outperform QCs on almost all tasks, AI included.

[@eddyguerra9524]

Thx for showing my game! 😉

[@colinm8511]

Great summary !

[@thechesssavage6400]

that was breathtaking

[@Cscuile]

Stockfish: No you're breathtaking!

[@yfomenko]

Great stuff! Excellent presentation!

[@jarediannudalo6074]

I'm not an expert or a pro, my highest rating ever is 2100+ I can atleast say I have a decent understanding how humans play chess........ this game is like Alien the moves feels like its made by someone from a different world ahhaha

[@louisvuittondonvg9040]

fantastic commentary

[@salmanismail1104]

Brother really nice analysis great work Your voice is so smooth and beautiful Great work brother keep it up love from Pakistan

[@Bartooc]

That stalemate is brilliant

[@aeuto7731]

Anish giri played g4 in magnus invitational. Very cool

[@pratimasanyal4089]

Sir can you make the videos on top 5 moves of pragganananda and nihal sarin ??, By the way this video is very interesting 👌

[@pratimasanyal4089]

@Najdorf z what do you mean ??

[@someoneyoudontknow4933]

@Najdorf z a person will request what or whom he likes In which world do you live?

[@ozyaba]

Me:Plays e4 Stockfish:Mate in 26

[@moustafa_1994]

Wait computers can resign?

[@Loxu69]

I guess they are programmed so that when they calculate they are force mated they just resign

[@AAA-de6gt]

TCEC is adjudicated when both sides agree well enough to prevent the games from taking too long. In this game, Stockfish evaluated at +19.00 and Lc0 at +16.76, so it was adjudicated as win for white.

[@HaremRSaed]

me: let me sac this pieces and i lose com: i just need ur king lol

[@int0therain44]

Great video Sam ! very well explained

[@alcazarrealty]

Thanks to Fish, my life once again has found purpose: counting the phrase "it turns out."

[@DjVortex-w]

When you said "as a human you probably would not want to open up your own king in this position, you would want to play more conservatively, but the engine of course" I was expecting you to continue "is not human".

[@cergio8420]

So top engines make very chaotic and unexpected for normal human moves... just like in my 1000 rated foes

[@zerksez9963]

I move a pawn Stockfish:Ahhh checkmate at 34 I move knight Stockfish:Yeppadi, 21 moves and ur queen

[@Kenneth-iv8lc]

This is SFNNUE latest version than Stockfish 12 NNUE during that time

[@chandir7752]

I wonder what someone like Lasker or Steinitz would say if you showed them this game. They would probably not believe these moves are stronger than any move a human could ever come up with.

[@Heavenly_Demon_God]

Finally YES, i want stockfish to win so much

[@IRR730]

Hello everyone, Dewa Kipas vs Indonesian WGM Irene Sukandar will be broadcast live on Monday, March 22, 2021. on the @Deddy Corbuzier channel

[@StoshGalumpke]

Great presentation !

[@isabella16939]

It also won the Pro-Chess League with the Armenian Eagles 😬

[@eighteenin78]

Can all 100 games of the Season 19 Superfinal be downloaded in one pgn file? I have been to the TCEC site and cannot seem to find a way to download all the games, only single games at a time.

[@scheimong]

Wow this is quite the game! You don't see Leela getting overrun by pawns everyday

[@asolisca]

7:17... when my gf describes my you know what.

[@dannygjk]

Stockfish 12 doesn't use any neural net tech? or was this one a fork? If they were both using nn tech then it's a win-win in my eyes because no matter who wins I'm happy.

[@mypersonaljourneytochessma2785]

It's time for Alfa 0 vs Stockfish12 remach.

[@amirsyafiq9385]

Wow what a brilliant game!

[@zachhui6086]

The wooden sheild

[@athing3879]

Me: slightly pushes pawn forward Stockfish: ah so ur playing the loose and get check mated at turn 14 huh!