Breaking News - 23.11.2025:Well, I realized current CS to be ended..due to I hope to organize other tours..Btw, Champ statistics (2007-2025) 1st Vasid, 2nd Angel, 3rd Roger for DetailsAnd as usual, congratulations and thanks to all book authors... see you later )Meanwhile, for my other previous posts about current competition OpenChess
     Private Book Champs:  Biyuya / DON - Congratulations to Morano/ Chouhanl      Current Public Book Champ: AdrainOliva - Congratulations to Angel Morano!
Rank Name              Elo    +    - games score oppo. draws   1 Biyuya v2.5      3851    3    3  2200   54%  3830   91%    2 DonLite 311025   3851    3    3  2400   54%  3829   90%    3 DON 311025       3847    3    3  2400   53%  3829   92%    4 Biyuya v2.1      3847    3    3  2300   53%  3829   90%    5 HCan 170125      3844    3    3  2250   52%  3832   91%    6 Queen's Gambit   3844    3    3  2400   53%  3830   92%    7 AdrianOliva 4    3842    3    3  2200   52%  3831   93%    8 Chabon           3841    3    3  2400   52%  3830   91%    9 Arpia            3840    3    3  2400   52%  3830   94%   10 Kara             3837    3    3  2300   51%  3832   91%   11 Nnue             3837    3    3  2200   51%  3831   93%   12 Tufan            3837    3    3  2400   51%  3830   89%   13 OPTIMUS 2502     3836    3    3  2250   51%  3832   90%   14 Tunafish 3.2     3836    3    3  2400   51%  3830   90%   15 Leschats 301025  3834    3    3  2400   51%  3830   93%   16 Skynet 180724    3831    3    3  2250   50%  3832   93%   17 CIS 2025         3824    3    3  2350   49%  3831   91%   18 SCCT             3819    3    3  2350   48%  3831   89%   19 No Book          3817    3    3  1900   47%  3834   88%   20 GMs All          3813    3    3  2350   47%  3831   88%   21 Unique           3810    3    3  2350   46%  3831   85%   22 GMs 2500+        3810    3    3  2350   46%  3831   87%   23 CS NN XLI        3810    3    3  2350   46%  3831   86%   24 CS LXX           3806    3    3  2400   45%  3831   87%   ------------------------------------------------------------------------------------  25 IJCCRL           3791    3    3  1650   42%  3829   80%  
    • Calculated by Bayeselo / Arpia is fixed to 3840 Elo /  Blue Name = Last Update
More Details (21.11.2025):• All books are played by same 3800+ engine Stockfish X (by Vasid Chouhan)• In this new Championship: All books are allowed (Private plus Public as well)        • Sure, just in case of interest..BIN book registrations are acceptable: Contact• By unknown is required min. 100 games (played on Playchess, Lichess etc.)  This rule can be called as VISA, it's simply against cheating for more: Details• As bonus the frequent Authors are free to submit several new opening books  Just to be more clear, each other, they have to be different (in playing styles)• Maximum. opening book size limit rule: up to 250 MB (compressed) allowed  As another bonus (sure for frequent...) 500 MB (in size) is acceptable as well• Main Settings (for all book entries): Book Depth: 40 / Best Move as Disabled   Exception some of the Entries will participate by Authors suggested settings• Any Private Book Leader (after 1500 games per player) will be titled Champ  Plus at same time, there will be Champion titles for the Public books as well• Only 3800+ Elo players are allowed..just in case of worse points..will be out• Book Authors may get theirs played book games (sure in case of via request)• The current overall draw percentage (based on 28600 games) a bit high 90%48  47   46  45  44  43   42  LXX  41  LXIX  40  39  35n  BEC1  BEN2  38  37  36  S1  35  34  33