Breaking News - 15.06.2026: Another new CS is organized... congrats and many thanks to all eng / book authors! Btw, for anyone interested....here are my created/played latest: GM and 2nd books Where all of the current 3800+ Elo engine players are used to play with them as well And as usual, Ban, Cacique, AdrianOliva, Kara etc on Top..amazing performances, Yes, I'm very impressed by these masters..highlight superb, high-level achievement!  Although my created books are not hand-tuned... some of them performed not bad... Especially impressive points come also by the new incomer Reckless 110626, 2nd. Moreover, both Reckless ones performed: 87% draw ratio- lowest record in the tour! Likely because almost all of the eng players are SF-Based, where Reckless is not... And as a last note; Why KillfishPB is used as main chess engine? Simply due to  Belonging to the strongest ones of 3800+ plus in same time being less Drawish too!
  LX's Final Public Book Champion: Ban - My Congratulations to Mursel Berk!  Note: Exactly the same Ban book ver.  is managed to be Champ in LVI CS too
Rank Name                     Elo    +    - games score oppo. draws    1 Ban                     3825    5    5  1220   53%  3806   92%    2 Cacique                 3824    5    5  1200   53%  3806   90%    3 AdrianOliva upd2        3823    5    5  1200   53%  3806   92%    4 Kara 130626             3821    5    5  1220   52%  3806   92%    5 Mr Noname v5            3821    5    5  1200   52%  3806   91%    6 Sultan 020526           3821    5    5  1220   52%  3806   93%    7 OlisFish 1410           3820    5    5  1200   52%  3806   92%    8 AdrianOliva upd         3820    5    6  1000   53%  3805   91%    9 Arpia                   3819    5    5  1200   52%  3806   93%   10 Best 080626             3817    5    5  1220   52%  3806   91%   11 LesChats V13            3816    5    5  1220   52%  3806   94%   12 OPTIMUS 2502            3816    5    5  1220   52%  3806   91%   13 Reckless 110626, 2nd    3815    5    5  1220   51%  3806   87%   14 Chabon                  3814    5    5  1200   51%  3806   93%   15 SF-PB 240225, 2nd       3813    5    5  1220   51%  3806   88%   16 Kookaburra 3.10, 2nd    3813    5    5  1220   51%  3806   90%   17 HCanFree 2              3813    5    5  1220   51%  3806   93%   18 Nnue 2                  3813    5    5  1220   51%  3806   94%   19 SF-PRO2 290125, 2nd     3813    5    5  1220   51%  3806   90%   20 Stockfish 17.1, 2nd     3813    5    5  1220   51%  3806   90%   21 Troubadour 1.5a, 2nd    3813    5    5  1220   51%  3806   88%   22 Test 2                  3813    5    5  1220   51%  3806   92%   23 Solidor Dual            3812    5    5  1220   51%  3806   92%   24 RumBle 11               3812    5    5  1200   51%  3806   93%   25 MagicKnight, 2nd        3810    5    5  1220   51%  3806   89%   26 Skynet 180724           3810    5    5  1220   50%  3806   91%   27 Cheszter                3810    5    5  1200   51%  3806   96%   28 SF-PB 280924, 2nd       3810    5    5  1220   50%  3806   89%   29 Tunafish 3.2            3809    5    5  1220   50%  3806   92%   30 Lizard 050326           3809    5    5  1220   50%  3806   94%   31 SolistaENG 2026E        3808    5    5  1220   50%  3806   93%   32 SF-POLY 271125, 2nd     3807    5    5  1220   50%  3807   87%   33 Cool Iris v16, 2nd      3807    5    5  1220   50%  3807   91%   34 KillfishPB 110425, 2nd  3807    5    5  1220   50%  3807   88%   35 Sluicing                3806    5    5  1200   50%  3806   91%   36 DONfree 2024            3806    5    5  1220   50%  3807   90%   37 IshowElo                3805    5    5  1200   50%  3806   93%   38 Omega MPV, 2nd          3805    5    5  1220   50%  3807   88%   39 Solidor 180924, 2nd     3805    5    5  1220   50%  3807   89%   40 OCF-TourS 2026 v2       3804    5    5  1220   50%  3807   94%   41 Dara 080824             3804    5    5  1200   50%  3806   93%   42 MentalRing 328          3802    5    5  1220   49%  3807   93%   43 Eman 280426             3802    5    5  1220   49%  3807   90%   44 Play                    3802    5    5  1220   49%  3807   92%   45 Balsa 3750              3800    5    5  1220   49%  3807   91%   46 Troubadour 1.5a, GM.    3799    5    5  1220   49%  3807   92%   47 Brainlearn 31, 2nd      3798    5    5  1220   49%  3807   91%   48 Stockfish 17.1, GM.     3798    5    5  1220   49%  3807   91%   49 SF-PRO2 290125, GM.     3798    5    5  1220   49%  3807   91%   50 Kookaburra 3.10, GM.    3797    5    5  1220   48%  3807   89%   51 ShashChes 40, 2nd       3797    5    5  1220   48%  3807   91%   52 SF-PB 280924, GM.       3795    5    5  1220   48%  3807   90%   53 Omega MPV, GM.          3794    5    5  1220   48%  3807   89%   54 Cool Iris v16, GM.      3794    5    5  1220   48%  3807   90%   55 SF-PB 240225, GM.       3792    5    5  1220   48%  3807   90%   56 SF-POLY 271125, GM.     3792    5    5  1220   48%  3807   88%   57 MagicKnight, GM.        3792    5    5  1220   48%  3807   89%   58 Reckless 110626, GM.    3789    5    5  1220   47%  3807   86%   59 Solidor 180924, GM.     3789    5    5  1220   47%  3807   89%   60 Brainlearn 31, GM.      3785    5    5  1220   46%  3807   87%   61 KillfishPB 110425, GM.  3784    5    5  1220   46%  3807   87%   62 ShashChes 40, GM.       3784    5    5  1220   46%  3807   89% 
     • Calculated by Bayeselo / Balsa is fixed to 3800 Elo /  Blue Name = Last Update
More Details (when the tour was active):• All book entries (mainly trend) participated by same engine: KillfishPB 110425  E.g AdrianOliva, Ban, Best, DON, HCan, Kara, Leschats, OPTIMUS, Sultan etc.   Where the rest constant (GM+2nd) are played by many various chess engines   Note: all of the played engines are very close to each other...(3800+ in strength)• In the current / ongoing championship only Public (available) books are allowed  Sure in case of interest to submit...public book registrations are allowed Contact• Polyglot (BIN) main settings for all books: Book Depth 40 / Best Move Disabled  Exc. some of the opening books are played by Book Author's recommendations• The current overall draw percentage (based on 37600 games) is a bit high: 91%• Any Opening Book Leader (after 1000+ games per player) will be titled Champion    • As usually, all the played tournament games are available (in PGN): B/N CS LX
 LXXIII  59  58  57  56  55  54  53  52  LXXII  LXXI  51  50  49  48  47  46  45  44  43  42