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The Outrageous Colorado Gambit in the Nimzovich defence
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- เผยแพร่เมื่อ 16 ก.ค. 2020
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FIDE CM Kingcrusher goes over The Outrageous Colorado Gambit in the Nimzovich defence
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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.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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The whole collection of "Fred gambits" in which Black sacrifices his f-pawn are primarily of psychological value. They include a few legitimate gambits that very strong players have played in the past, such as the Latvian and the Schliemann. The Schliemann is the best of the lot by far. The Colorado gambit has the feature that (1) e4 Nc6 (2) Nf3 f5?! (3) exf5 d5 (4) d4 Bxf5 (5) Bd3 is good for White. The e7 pawn is backward. At least Black is no longer down a pawn though, so maybe it can be salvaged in some way. The opening explorer on Lichess suggests that Black is actually ok in that position, even though the engine evaluation is 0.7 in White's favor. Also, (5) Bb5 is strong too, maybe even better, emphasizing the weakness of the e5 square.
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Viktor Bologan won this funny game, although there were serious errors by both players along the way :
lichess.org/LrK2Rjrm#23
I can recommend the series which Gunjan made about the Colorado gambit, GJ Chess...
Actually you can still get some fun in this line after 7.Nf3. 14:33 7... g5! is a rare but unpleasant move to face, thus proving the advantage for White won't be at all easy. Thanks for the video and sharing some light on this venomous opening, Kingscrusher!
one fun line kc failed to mention is the notorious game s.kasparov v. t.schulze 1. e4 Nc6 2. Nf3 f5 3. exf5 d5 4. d4 Bxf5 5. Bb5 e6 6. Ne5 Ne7 7. Qh5+ g6 8. Qe2 Bg7 9. Bg5 O-O 10. Bxc6 Nxc6 !! 11. Bxd8 Nxd4 12. Qd2 Nxc2+ 13. Ke2 Bxe5 14. Nc3 Raxd8 15. Rac1 d4 16. Nd1 Be4 17. Qg5 d3+ 18. Kf1 d2 19. Rb1 Bf4 0-1
You know that isn't Garry Kasparov but another "Kasparov" :) I would really have hoped to notice that high level stem game as I do check for higher level ratings in the stem games generally. That wasn't shown to me. Also it seems difficult to find that game on Chessgames.com.
@@kingscrusher Yes, I knew it wasn't Gary, I included the "s" initial.
@@balthazarbeutelwolf9097 You made me feel bad I hadn't shown a high level example there! Naughty!
Wild stuff, think i prefer the latvian gambit. illuminating analysis. Thanks KC and keep up the good work.
Black is the exchange up not a rook
Great stuff!
I've found that most players won't take a gambit pawn if
they are unfamiliar with that line.
What about the main line? 3.exf5 d5 4.Bb5 (or 4.d4). Everything else is much more unlikely...
The main line is best for White. I avoid the main line by playing 3...Nh6!? This gives white the chance of playing a couple of so-so moves in 4.Nh4?! and 4.Bd3!?. 4.Nh4?! and White thinks he is going to win material with let's say 4...d5 5.Qh5+ g6! 6.fxg hxg and White loses material. 4.Bd3!? holds onto the pawn but impedes the dark squared bishops development. Another line after 3...Nh6!? is 4.d4 d5 5.Bxh6 gxh6 but I believe Black is still doing okay; he can develop his bishop to g7 and castle with the open f-file to use. Another line I like to use is after 1.e4 Nc6 2.Bc4 f5!? 3.ef Nf6 followed by 4...d5 winning a tempo with a hit on the bishop. If White plays 5.Bb5 then we get the main line with Black having a extra move because White has wasted a move getting the bishop to b5. Tell me what you think.
After Qxh7., Bf5 would trap the Queen !
yes if the bishop was defended. interesting.
I’d play 3. BB5 if Fx, NG5
Is this the new Jerome?
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