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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

kramnik

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