Breaking News - 02.11.2025:     The tour ended and many thanks to all book authors, without you...all these     Exciting events wouldn't exist! And yes, via this update, standings changed!     As you may noticed, we have newer Champions..really amazing, I have no     Words to say, exception: well-done to all Top book author's entries, and how     Nice to see LesChats again as Public Champ! Mr. Jorge's latest book is no     Doubt that a master piece, superior strong, plus free and available to public!     Where and as usual, DON managed to be Private Champ with great points!     I admit also that latest Biyuya 2.1 is great as well..as same words are going     For many other Top opening books... and see you later dear chess friends )Meanwhile, for my other previous posts about current tourney: OpenChess
     The Private Book Champion:  DonLite - Congratulations to Vasid Chouhanl      The Public Book Champion: LetChats - Congratulations to Jorge Centelles!
Rank Name              Elo    +    - games score oppo. draws    1 DonLite 311025    3841    3    3  1520   58%  3805   83%    2 Biyuya v2.1 2025  3837    3    4  1520   57%  3805   84%    3 DON 311025        3835    3    4  1520   56%  3805   86%    4 Biyuya v2 2025    3834    3    3  1760   55%  3808   87%    5 DonLite 271025    3832    3    4  1760   55%  3808   87%    6 Leschats 301025   3829    4    4  1520   55%  3806   85%    7 Biyuya v1 2025    3828    4    4  1600   55%  3805   87%    8 Tunafish 3.2      3827    4    4  1760   54%  3808   89%    9 Queen's Gambit    3827    4    4  1760   54%  3808   89%   10 DON 271025        3827    4    4  1600   54%  3805   90%   11 Chabon            3827    4    4  1760   54%  3808   89%   12 DON 120825        3826    4    4  1600   54%  3805   89%   13 AdrianOliva 4     3825    4    4  1760   53%  3808   88%   14 Arpia             3824    4    4  1760   53%  3808   91%   15 DON 010425        3823    4    4  1600   53%  3805   90%   16 OPTIMUS 2502      3823    4    4  1760   53%  3808   88%   17 MegaTron RevA     3822    4    4  1760   53%  3808   91%   18 Solidor Dual      3820    4    4  1760   52%  3808   90%   19 Cevdet Dual       3820    4    4  1760   52%  3808   87%   20 Rozzle 001        3819    4    4  1760   52%  3808   93%   21 Eman 180826       3819    4    4  1760   52%  3808   89%   22 Leschats 100825   3819    4    4  1600   53%  3805   89%   23 Atulte            3819    4    4  1760   52%  3808   88%   24 Leschats 171025   3818    4    4  1600   52%  3805   89%   25 Skynet 180724     3815    4    4  1760   51%  3808   91%   26 Simple 061224     3813    4    4  1760   51%  3808   89%   27 no-LOSE           3813    4    4  1760   51%  3808   89%   28 Akan 2025 ser     3812    4    4  1760   51%  3808   90%   29 Kara              3803    4    4  1760   49%  3809   86%   30 OpenChess 2307    3803    4    4  1760   49%  3809   85%   31 GM 2500+          3780    1    1 18000   41%  3823   80% 
    • Calculated by Bayeselo / Cevdet fixed to 3820 Elo /  Blue Name = Last Update
More Details (29.10.2025):• All opening books played by same Top (3800+) NNUE engine DarkSeid v6.1 • 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 1000 games per player) will be titled Champ  Plus at same time, there will be Champion titles for the Public books as well• After end of tour - downloading all games era is ended..so since 16.08.2025:  New Rule: only book authors (sure via request) may get their played games• The current overall draw percentage (based on 28600 games) is normal 86%47  46  45  44  43   42  LXX  41  LXIX  40  39  35n  BEC1  BEN2  38  37  36  S1  35  34  33