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What are the rules of CCC12? What are the engines competing?

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Yesterday, I watched a brilliant game of Ethereal against Rubi. 33. Rxb7!!! is Amazing.

White to move and win.

Who used Fritz, Junior, Hiarcs and Shredder in the 2000s? I used Junior 6 and Fritz 7 and 11. Junior really impressed me. It plays very dynamic and can do positional exchange sacrifice. If someone knows where to download old engines, please share.

Comment your favourite chess engine below !

Lc0 is one of the top 3 chess engines in the world, as we know Stockfish, Dragon and Lc0 always make for good chess matches. But what if I were to tell you that Lc0 lost to the last place engine in the CCC20 Bullet: Main with the white pieces (the engine with the white pieces has the better position, but black can still hold on to draw the game)? Crazy right! Well it happened and the game right after that Clover ended up drawing with the white pieces to win the pair. To show you I am not lying to you, I will post the link here: https://www.chess.com/computer-chess-championship#event=ccc20-bullet-main&game=643 or, if you don't want to use the link go to the CCC20 Bullet: Main (1|1) game 643 move 17 Now that I have shown you where you can see the game, here is the game: I would like to hear possible explanations on this horrible blunder by Lc0, thank you for your responses! Edit: I just went to Game Review and it gave Clover 3 brilliant moves!! 17.Bg3!! 30.Nf6!! 36.Be6!!

The engine Dragon is currently in 5th place in the CCC 21 Rapid Main. Dragon was recently a top 3 engine but got booted out by the new engine Torch. Stockfish, Torch, Lc0, and now Berserk are leading Dragon. Will Dragon recover and return to top 3, remain in 5th, or will Ethereal pass Dragon? *Edit Rubi is attempting to pass Ethereal, so it might be Rubi who passes Dragon instead of Ethereal, or it could be both who pass Dragon

Hello everyone, so I was trying to look for the Berserk logo but I can't seem to find it. Anyone could help me with this? Thanks

The Mystery engine goes into the last 250 games of the challenger match with a 32 game lead over Dragon. Mystery score: 391/750 Dragon score: 359/750 At this rate, Mystery will end the Challenger Match with a 43 game lead! We haven't seen an engine take on Stockfish in the finals other than Leela or Dragon. Mystery could even have a chance to beat Stockfish in the finals at this rate! The last engine to defeat Stockfish in the finals was Leela, but Leela has been knocked out of the Challenger Match. It will be an exciting to see some other engine than Lc0 or Dragon in the finals! I would like to hear your thoughts about the Mystery engine more than likely making it to the finals.

Here are the final standings for the CCC 20 Rapid : #1-Stockfish (3862) International 311.5/498 62.6% won | Advanced from Main & Semifinals #2-Lc0 (3822) International 385.5/748 51.5% won | Advanced from Main, Semifinals, and Challenger Match ______________________________________________Finals______________________________________________ #3-Dragon (3832) USA 263.5/498 52.9% won | Advanced from Main & Semifinals ______________________________________Challenger Match_________________________________________ #4-Ethereal (3723) USA 120/248 48.4% won | Advanced from Main #5-Berserk (3682) USA 111.5/248 45% won | Advanced from Main #6-Koivisto (3667) International 94.5/248 38.1% won | Advanced from Main __________________________________________Semifinals_____________________________________________ #7-Rubi (3663) Germany 40.5/88 46% won | Began in Main #8-Rofchade (3645) NL 66.5/132 50.4% won | Advanced from Qualifier#2 #9-Igel (3652) Ukraine 37.5/88 42.6% won | Began in Main #10-Revenge (3670) Italy 62.5/132 47.3% won | Advanced from Qualifier#2 #11-Seer (3636) USA 36/88 40.9% won | Began in Main #12-SlowChess (3635) USA 57/132 43.2% won | Advanced from Qualifier#2 ______________________________________________Main_______________________________________________ #13-Stoofvlees (3733)** Belgium 23.5/44 53.4% won | Began in Qualifier#2 #14-Caissa (3384) Poland 78.5/132 59.5% won | Advanced from Entry League & Qualifier#1 #15-Mystery (3200) N/A 76.5/132 58% won | Advanced from Entry League & Qualifier#1 #16-Minic (3504) France 21/44 47.7% won | Began in Qualifier#2 #17-Clover (3424) Romania 78.5/132 59.5% won | Advanced from Entry League & Qualifier#1 #18-Uralochka (3483) Russia 20.5/44 46.6% won | Began in Qualifier#2 #19-BlackMarlin (3458) Turkey 42/88 47.7% won | Advanced from Qualifier#1 #20-Arasan (3196) USA 43/88 48.9% won | Advanced from Qualifier#1 #21-Halogen (3519) Australia 37.5/88 42.6% won | Advanced from Qualifier#1 ______________________________________________Qualifier#2________________________________________ #22-Smallbrain (3335) Germany 21/44 47.7% won | Began in Qualifier#1 #23-Weiss (3518)** Norway 45/88 51.1% won | Advanced from Entry League #24-Velvet (3410) Germany 19.5/44 44.3% won | Began in Qualifier#1 #25-Booot (3263) Ukraine 42.5/88 48.3% won | Advanced from Entry League #26-Marvin (3319) Sweden 19/44 43.2% won | Began in Qualifier#1 #27-Tucano (3484) N/A 39/88 44.3% won | Advanced from Entry League ______________________________________________Qualifier#1_________________________________________ #28-Nemorino (3102) Germany 20/44 45.5% won | Began in Entry League #29-Bit-Genie (3075) India 20/44 45.5% won | Began in Entry League #30-Stash (3290) France 18/44 40.9% won | Began in Entry League #31-Zahak (3445)** Canada 17.5/44 39.8% won | Began in Entry League #32-Winter (3073) Switzerland 17/44 38.6% won | Began in Entry League #33-Drofa (3223) Russia 14/44 31.8% won | Began in Entry League __________________________________________Entry League__________________________________________ #place in tournament-name of engine (rating) Country it was Developed in how many games they have won / how many games they have played percent of games won%* | explaining where the engine began If an engine is above a certain border line ex. Main but below ex. Semifinals then that means they would fall in the Main category. The win loss is not affected by tiebreakers, in between matches, and alternative finals. Just the 7 main categories. *Just because an engine who got a higher win percentage and is lower on the ranks does not make them better. This only applies with engines who have advanced. They may have dominated the lower level, but did horrible on the advanced level. **The engine ratings they need to fix

I'm sure that when quantum computers will be understood well, all engines will be better. Will chess engines ever get to ~10 billion calculations a sec? Also do you guys think there's a limit to calculations a sec?

EDIT: Sry, Wrong Game Guys! Don't View This! Game: Lc0 blunders queen and loses but it is even more crazy when black promoted another queen, it says white was still 1.24!!!! Crazy!!!

hello club im gonna show you a formal trick on a end game with king vs queen game

hey this topic dont miss it guys this topic starts tomorrow

Komodo NNUE is here. The engine name is Dragon, and is currently 3rd place in the CCCC.

The engine "Mystery". It is playing in the CCCC right now. Is it new? It doesn't have a rating, or a bio. Plus it was created in 2020.

https://www.gametop.com/download-free-games/grand-master-chess-3/ this is the computer program game which i played i played in hardest level which is called as grand master level yes this was the hardest level

I think in this Bonus you guys have done everything right. You test the best engines, also the cutting edge ones like Leelafish, and you chose Pohls Drawkiller Opening Book. I think for this occasion that is the perfect choice! I would like to have seen the balanced drawkiller book though, since I like that one the most. But anyways, the drawkiller book is phantastic. Also the time controls for such an event are exactely right. I think for me that is the most interesting CCC event ever. Also outperforming TCEC Thanks and cheers!

Hi! I want to make a CCC suggestion: a bullet tournament named Bullet Challenge with 1+2 time control and with the following participants: 1.Lc0 2.Stockfish 3.Houdini 4.Komodo 5.Leelastein 6.Antifish 7.Komodo MC 8.Ethereal 9.Fire 10.Fritz 11.Booot 12.Texel 13.Xiphos 14.Fizbo 15.Andscacs 16.Wasp 17.BlackMamba 18.Gull 19.Critter 20.Crafty 21.Laser 22.ScorpioNN 23.Alfilx64 24.BetaOne (https://www.patreon.com/BetaOne ) 25.Senpai 26.Bobcat 27.Arasan 28.Shredder 29.Allie 30.Rofchade 31.Equinox 32.Hiarcs 33.Jonny 34.Deep Junior 35.ChessBrain VB 36.Naum Round Robin format, the engines are playing each other 4 times (If there are too many engines, you can quit some of them)