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Goi opening book

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Goi opening book

Post  kramnik on Thu Jun 28, 2018 4:42 am

Built using asmFish, BrainFish, Stockfish 9 and CFish on very powerful high-end rented servers, Goi 4.4 update 2 BIN version contains 9.196.874 positions, 500.000 more than update 1, from the very beginning until sometimes the ending of the game. In average you will reach 30-40 moves from the start (that is 60-80 plies).

The update n.2 of the 4.4 CTG version is alot stronger than its CTG counterparts (Medulla, Vitamin, Chessbase Powerbook et cetera), what is more surprising is the limited size of this book (83.2 MB), fueled by only powerful variants.

The second update of the 4.4 version is a killer: it outmatched any other top book, such as Cerebellum, Medulla or Vitamin kid. The Goi book, with previous hence weaker versions, has already won against other engines opening book like Chessbase Powerbook 2018, Chessbase Strongbook 2018, Hiarcs 14x and 14y. This book has been 5 times leader in the SCCT book championship and in these four times in a row and it's actually the champion.

Goi 4.4 BIN (update 2) vs Medulla 310518 BIN (on asmfish 160618):

Goi 4.4 BIN (update 2) +15
Medulla 310518 BIN  +1

101 Games

Goi 4.4 BIN (update 2) vs Vitamin kid n4g.9b (on asmfish 160618):

Goi 4.4 BIN (update 2) +11
Vitamin kid n4g.9b   +4

195 Games

Goi 4.4 CTG (update 2) vs Medulla CTG 310518 Competition Edition (on asmfish 210618):

Goi 4.4 CTG (update 2) +14
Medulla CTG 310518 Competition Edition  +3

79 Games

Goi 4.4 CTG (update 2) vs Vitamin kid n4g.9b (on asmfish 210618):

Goi 4.4 CTG (update 2) +14
Vitamin kid n4g.9b +2

91 Games

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Goi 5 opening book

Post  kramnik on Sat Sep 22, 2018 4:39 pm



Goi 5 opening books:

This new release includes a new way to make the book: for the first time I didn't only make and select powerful games through very powerful servers, but I also use them in analysis to correct some wrong/weak line. The result is impressing, as you may see in the benchmark subsection.

I have to admit that wasn't an easy work both because of the strength of my opponents and for a strange instability of the engines in selecting moves in deep search: the most of the times I came back with the lines and they gave totally different moves, but after a while going forth and back I've always found the point in which the score was in my favour, so I was able to correct all the mistakes in the lines and I've even discovered that there were weak lines also in the Cerebellum book. Streethawk07 gave me the idea, sending back some wrong lines of the past versions. After having passed all the tests, Playchess 2500 ELO engines room score included, I've decided to release the book.

For the first time I've introduced Raubfisch both in the making process and in the deep analysis of the variants, seen its latest strong enhancement that places it at the first place as top strongest chess engine. I'd be glad to host it on my website so that anyone can enjoy for free this incredible chess engine (little note for the great authors Frank Karl Werner and Max Fehler).

The programs used to make Goi 5 are: asmFish, BrainFish, CFish, Raubfisch and Stockfish 9 on both very powerful high-end rented servers and my computer.

Usually the variants have 50-80 plies in depth (so 25-50 moves White + Black). With Goi 5 you can reach a very advanced state of the game with a great position, even if you don't have a machine with a powerful processor. Its lines go from the very beginning until sometimes the ending of the game.



Thanks for the precious help to: Black Queen, Zagor Almanah, coffeeone.


- Goi 5 CTG contains 4.238.388 positions (size: 274 MB)


- Goi 5 BIN contains 8.770.285 positions (size: 133 MB)


The BIN distribution can be used with the Chessbase softwares with the following engines: Komodo, Houdini, Brainfish, CFish, asmFish, Raubfisch, Toltec, SugaR XPrO. It can be used also in Arena with (I guess) the same engines, although it can only be used as engine book. Goi 5 BIN works also on Android with Droidfish. You will find below the instructions on how to use a Polyglot book (BIN) with the mentioned engines.

The CTG distribution works with any engine possible with the Chessbase softwares (hence the official Stockfish too) and with the Aquarium interface. It can also be used with the Droidfish Android app as opening book.

IN WHAT CONSISTS THE NEW GOI 5 PROCEDURE?



-----------------------------------------


Goi 5 GOLD 3rd update:

The days after the SCCT championship were all a continuous "rebuild, test, debug, rebuild, test, debug". Very fatiguing and boring... But evenctually I managed to succeed to be the strongest one again. The main problem this time wasn't Vitamin, but the new Caudine Fork 1977 of my countryfellow Pippo. That book had alot of very good lines, I've noticed them while I made it play against the Goi 5 GOLD prototypes.

How to defeat Vitamin is not anymore a secret to me, since it has alot of weak spots, but Caudine Forks was an almost total new book (tried once an old version the past year, if I recall correctly...)

So here we go: Goi 5 GOLD 3rd update.

To the subscribers and the other ones that must get this book for free: your personalized folders have been emptied from the older version, expect the update in the next day.

For anyone else: you can have this book only by making a subscription, or wait the next days for Goi 5.1. Yes, ladies and gentlemen, the transition time has finally arrived, so the one buying my books now will receive also the next version for free (Goi 5.1).



Goi 5 GOLD 3rd update is sized 203 megabytes and it contains 13.342.480 positions.

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Re: Goi opening book

Post  kramnik on Sat Sep 22, 2018 4:48 pm

BENCHMARKS:

Goi 5 GOLD vs Vitamin 12 (on asmFish 180724):


Download here the games archives in Chessbase and PGN format.

The settings of Goi 5 GOLD were: Best book move: disabled, BookDepth: 100.

The settings of Vitamin 12 were: Tournament book: ticked, Minimum games: 0, Up to move: 70, Variety of play: 40, Influence of learn value: 100, Learning strength: 0.


Goi 5 GOLD vs CaudineForks 1977.13.09 (on asmFish 180724):


Download here the games archives in Chessbase and PGN format.

The settings of Goi 5 GOLD were: Best book move: disabled, BookDepth: 100.

The settings of CaudineForks 1977.13.09 were: Tournament book: ticked, Minimum games: 0, Up to move: 100, Variety of play: 150, Influence of learn value: 100, Learning strength: 100.


Goi 5 BIN vs Medulla 310518.bin (on Raubfisch X38d3a):


The settings of Goi 5 BIN were: Best book move: disabled, BookDepth: 100.

The settings of Medulla 310518.bin were: Best book move: disabled, BookDepth: 100.


Goi 5 BIN vs Cerebellum light 180728 (on Raubfisch X38d3a):


The settings of Goi 5 BIN were: Best book move: disabled, BookDepth: 100.

The settings of Cerebellum light 180728 were: Best book move: disabled, BookDepth: 100.


Goi 5 BIN vs Vitamin kid 10 (on Raubfisch X38d3a):


The settings of Goi 5 BIN were: Best book move: disabled, BookDepth: 100.

The settings of Vitamin kid 10 were: Tournament book: ticked, Minimum games: 0, Up to move: 70, Variety of play: 40, Influence of learn value: 100, Learning strength: 0.


Goi 5 CTG vs Cerebellum light 180728 (on Brainfish 180818):


The settings of Goi 5 CTG were: Tournament book: ticked, Minimum games: 0, Up to move: 100, Variety of play: 10, Influence of learn value: 100, Learning strength: 500.

The settings of Cerebellum light 180728 were: Best book move: disabled, BookDepth: 255.


Goi 5 CTG vs Vitamin kid 11 (on Cfish 110818):


The settings of Goi 5 CTG was: Tournament book: ticked, Minimum games: 0, Up to move: 100, Variety of play: 10, Influence of learn value: 100, Learning strength: 500.

The settings of Vitamin kid 11 were: Tournament book: ticked, Minimum games: 0, Up to move: 70, Variety of play: 40, Influence of learn value: 100, Learning strength: 0.

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Re: Goi opening book

Post  kramnik Today at 2:31 pm

Goi5 GOLD 2ndupdate https://www.datafilehost.com/d/698daaae

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