Breaking News - 09.11.2025:     A new tour is started.. and as usual, I wish good luck to all book participants!     As 1st start one of Top books entered, in next days: more entries are comingMeanwhile, for my other previous posts for ongoing competition: OpenChess
     Current Private Book LeaderDon-Lite - Congratulations to Vasid Chouhanl      Current Public Book Leader: Chabon - My Congratulations to Angel Morano!
Rank Name               Elo    +    - games score oppo. draws    1 DonLite 311025    3850    3    3   800   53%  3837   93%    2 Biyuya v2.1 2025  3845    3    4   800   52%  3837   94%    3 DON 311025        3844    3    4   800   51%  3837   96%    4 Chabon            3842    4    4   800   51%  3838   94%    5 Queen's Gambit    3841    4    4   800   51%  3838   96%    6 Arpia             3840    4    4   800   51%  3838   96%    7 Leschats 301025   3834    4    4   800   49%  3839   96%    8 Tunafish 3.2      3828    3    3   800   48%  3839   91%    9 No Book           3818    3    2   800   45%  3841   88% 
    • Calculated by Bayeselo / Arpia is fixed to 3840 Elo /  Blue Name = Last Update
More Details (09.11.2025):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 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 3600 games) is bit high: 94%48  47   46  45  44  43   42  LXX  41  LXIX  40  39  35n  BEC1  BEN2  38  37  36  S1  35  34  33