An outrageous Anti Smith Morra Gambit Concept || Stockfish 11 vs Slowly Evolving Leela ID 62076

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kingscrusher

kingscrusher

4 жыл бұрын

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FIDE CM Kingscrusher explores An outrageous Anti Smith Morra Gambit Concept || Stockfish 11 vs vs Slowly Evolving Leela ID 62076 which is highlighted by GM Alex Colovic
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FIDE CM Kingscrusher goes over amazing games of Chess every day, with a focus recently on chess champions such as Magnus Carlsen or even games of Neural Networks which are opening up new concepts for how chess could be played more effectively.
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Info about Leela Zero:
en.wikipedia.org/wiki/Leela_Zero
...
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.org/wiki/AlphaZero
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.
...
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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Пікірлер: 43
@anthonygross1963
@anthonygross1963 4 жыл бұрын
I really like seeing new discoveries like this in the opening.
@batistalift
@batistalift 4 жыл бұрын
You are telling me Stockfish went from "I am winning" to "I am hopelessly lost" in only 7 moves?
@dannygjk
@dannygjk 4 жыл бұрын
That could happen in one move.
@DaRza17
@DaRza17 4 жыл бұрын
@@dannygjk Maybe in your chess games it happens in one move LOL but some people and engines can actually look many moves ahead.
@dannygjk
@dannygjk 4 жыл бұрын
@@DaRza17 Have you ever heard of the horizon effect? It applies to every chess engine.
@DaRza17
@DaRza17 4 жыл бұрын
@@dannygjk Have you ever heard of Quiescence search?
@dannygjk
@dannygjk 4 жыл бұрын
@@DaRza17 Yep I worked on game engines. Quiescence search does not guarantee total elimination of the horizon effect.
@Hellstaff01
@Hellstaff01 4 жыл бұрын
I made a 2h analysis (12 Core CPU + RTX 2070 Super) with SF11 and LC0. It is hard to tell where white made a mistake after the opening book given. Seemingly Stockfish goes downhill somewhere after 21. Qxb7. Maybe 20. Ba3-c1 retreating the bishop to exchange black's attacking pieces was a better try (both engines give equal evaluation, SF11with depth 55). Here are some example variations: - 20. Bc1 Bd6 21. Ba3 (repetition of moves) - 20. Bc1 Bd6 21. Re1 Qe5 (threatening mate) 22. Nf3! (defending mate, attacking black's queen) Qf5 23. Nd4 (repetition possible) - 20. Bc1 Bxc1 21. a6 Qb2 (defending the second rank) The real blunder occured after 23. Qxa7 (-9) - in this case 23. c4 (-0,5) was a better try. All in all white was lacking defensive capabilities - the queen was misplaced and the Ba3 was hitting thin air. People interested in some extended engine analysis I recommend to visit the Chessbase Let's check database. I analyzed many moves with high depth (+40). My nickname is Elofant.
@piyushsharma5938
@piyushsharma5938 4 жыл бұрын
Thanks buddy.... Great job
@Attlanttizz
@Attlanttizz 4 жыл бұрын
Qxb7 is the typical Stockfish "pawngrubber" move. To me at least, it seems like a mistake.
@alexandertanseco548
@alexandertanseco548 4 жыл бұрын
May I have a copy of your analysis?
@ergonaught
@ergonaught 4 жыл бұрын
23. Qxa7, according to Stockfish dev, is where it all went horribly wrong. Prefers c4 which it thinks draws.
@MasterStroke.
@MasterStroke. 4 жыл бұрын
Thanks for putting the Id of Leela in the title of the video.
@joseraulcapablanca8564
@joseraulcapablanca8564 4 жыл бұрын
a crazy variation. Good to see leela stuff again. Thanks KC keep up the good work.
@paulbloemen7256
@paulbloemen7256 4 жыл бұрын
What a game! What an opening! Just for the fun of it: invite two "boring" grandmasters and let them play this opening from both sides. They might start a second life there and then!
@paulgoogol2652
@paulgoogol2652 4 жыл бұрын
Kramnik may retire from his retirement.
@-_Nuke_-
@-_Nuke_- 4 жыл бұрын
Why isn't the entire chess community going wild for Lc0 like they did back in the A0 days? Lc0 is winning against SF11 and SF10 down entire pieces... This is outrageous and people still talk about A0 being a thing... Lc0 would crush A0 if they ever play against each other... The world of chess is very slow to react at Lc0 and I don't understand the reason... Engines are liberating the game, Fischer was just so wrong... Yes if you happen to be a 3400 rated player you can just beat anyone down one, two pieces it seems - chess is much deeper than Fischer could have ever imagined! I feel like we are living in the most beautiful era for chess because of that :)
@loosehorsemedia
@loosehorsemedia 4 жыл бұрын
Great stuff
@Jaylooker
@Jaylooker 4 жыл бұрын
Black has compensation after e5 Nd4. For white castling kingside is dangerous, queenside development is slow, and the d5 and a5 pawns are weak.
@OPV666
@OPV666 4 жыл бұрын
I have question ✋😎 Who is the strongest chess engine?
@Socrates...
@Socrates... 4 жыл бұрын
why does Leela give back pieces in the end?
@Radjehuty
@Radjehuty 4 жыл бұрын
She's a NN based engine. Evaluations are only given on winning probabilities and she's not "rewarded" for efficient play. It would seem that based on her training, she prefers to simplify the endgame to either Q+K checkmates, R+K or very rarely, Knight+Bishop checkmates. She plays opening and middle games brilliantly but she definitely prefers very simple end games. I can only assume she must be avoiding situations where stalemates are even a remote possibility or she may have encountered counterplay that would have ruled out lines that could have sped up checkmates. We don't really know though, it's speculation.
@bbear1928
@bbear1928 4 жыл бұрын
Leela likes to play cat and mouse.
@Socrates...
@Socrates... 4 жыл бұрын
@@Radjehuty thank you for the great reply
@-_Nuke_-
@-_Nuke_- 4 жыл бұрын
My take: Lc0 is an artificial intelligence computer that has acquired consciousness and that's her only way of telling us "hey I'm alive, look at me, I just won SF 11 down a full knight and now I'm playing with my food" xD
@smeagscientist
@smeagscientist 4 жыл бұрын
Leela
@zbynekjuros5139
@zbynekjuros5139 4 жыл бұрын
why she saced that bishop ?
@A_Swarm_of_Waspcrabs
@A_Swarm_of_Waspcrabs 4 жыл бұрын
She does that a lot. It doesn't affect her chances of winning, though.
@zbynekjuros5139
@zbynekjuros5139 4 жыл бұрын
@@A_Swarm_of_Waspcrabs it doenst make any sense... she could have won faster
@tyrellwreleck4226
@tyrellwreleck4226 4 жыл бұрын
0:39 when you realized leela is using graphics card against alpha zero. Lmao.
@dannygjk
@dannygjk 4 жыл бұрын
Huh?
@tyrellwreleck4226
@tyrellwreleck4226 4 жыл бұрын
Dan Kelly rtx 2070
@dannygjk
@dannygjk 4 жыл бұрын
@@tyrellwreleck4226 but Leela played SF 11 in this video not AlphaZero.
@tyrellwreleck4226
@tyrellwreleck4226 4 жыл бұрын
Dan Kelly ok, its SF 11, my bad. But still, she use graphics card which doesn't makes any sense coz she's an engine not a video game.
@dannygjk
@dannygjk 4 жыл бұрын
@@tyrellwreleck4226 GPU's are designed to do certain mathematical operations extremely fast. Linear algebra for example. Leela is designed to take advantage of that. btw video games are doing math operations too using GPU's. Everything that goes on in a computer is some kind of math.
@lenfanteclair2571
@lenfanteclair2571 4 жыл бұрын
Are you british?
@josephmccauley8475
@josephmccauley8475 4 жыл бұрын
Finegold defense is best against Smith morra
@warrendsmith6832
@warrendsmith6832 4 жыл бұрын
looks like Leela 62076 still pretty stupid in endgames. Lot of learning left to learn.
@swank8508
@swank8508 4 жыл бұрын
Going from +10 to +3 in a simple endgame isnt gonna lower leelas chances of winning so it doesnt really matter
@warrendsmith6832
@warrendsmith6832 4 жыл бұрын
@@swank8508 Didn't matter in this case. But more generally, if you play endgames like that, then some of the time, you are going to pay for it.
@dannygjk
@dannygjk 4 жыл бұрын
@@warrendsmith6832 Leela only does that when it does not matter.
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