Breaking News - 20.12.2025:Classic Book CS series ON... congrats and many thanks to all book authors! As usual, the Champion is DON DON DON..and with superior performance!!OPTIMUS, Biyuya, Q.Gambit, ORIONPAX, Arpia, Sultan performed so good,Even very old-dated Varied book managed to be in Top 10..that means a lot!No Book is No Book..as usually in one of last ranks.. but ok..no any problem..Yes, some books gain better points as NON-NNUE or just opposite..etc. etc.Oh almost forgot this CS is one of biggest that I ever ran: 101 books played..Meanwhile, for my previous posts about the current competition OpenChess
The Champion of LXXII: DON 131225 - Congratulations to Vasid Chouhan!
Rank Name Elo + - games score oppo. draws 1 DON 131225 3671 10 10 1000 56% 3633 76% 2 DonLight 131225 3667 10 10 1000 55% 3633 73% 3 OPTIMUS 2502 3656 10 10 1000 53% 3633 80% 4 Biyuya 2.5 3655 10 10 1000 53% 3633 77% 5 Queen's Gambit 3654 10 10 1000 53% 3634 80% 6 ORIONPAX 2407 3654 10 10 1000 53% 3634 75% 7 Arpia 3653 10 10 1000 53% 3634 81% 8 Sultan 3652 10 10 1000 53% 3634 79% 9 DT Manhatten 3649 10 10 1000 52% 3634 83% 10 Varied 110122 3648 10 10 1000 52% 3631 78% 11 Broth 071224 3647 10 10 1000 52% 3634 74% 12 Kara 3644 10 10 910 52% 3631 79% 13 Solidor Dual 3643 10 11 910 52% 3631 73% 14 Chucaro 130424 3643 10 10 1000 51% 3634 82% 15 Kill Bookson 2 3642 10 10 1000 51% 3634 82% 16 Dara 141024 3642 12 12 720 51% 3634 80% 17 Cevdet Dual 3641 10 10 1000 51% 3632 82% 18 Cubail 040722 3641 11 11 870 51% 3633 79% 19 EaGle 140825 3641 10 10 920 51% 3631 78% 20 OpenChess 2307 3641 12 12 720 51% 3634 77% 21 Simple 061224 3641 12 12 700 51% 3634 79% 22 Pyramid 280324 3641 11 11 880 51% 3630 78% 23 Athina 3640 11 11 780 51% 3632 77% 24 MegaTron RevA 3640 12 12 720 51% 3634 76% 25 HyBriD SE 3640 10 10 900 51% 3631 82% 26 Test 070525 3639 12 12 720 51% 3634 82% 27 LOBO 131225 3639 12 12 720 51% 3634 84% 28 SappHire 131124 3638 11 11 870 51% 3630 73% 29 Esculapio 3637 12 12 700 51% 3630 77% 30 Eman 180825 3637 12 12 710 50% 3634 75% 31 Rozzle 001 3637 12 12 680 51% 3634 77% 32 DONfree 090724 3637 12 12 730 51% 3631 75% 33 Nnue 3636 12 12 710 50% 3634 75% 34 Cerebellum 3m 3636 12 12 720 51% 3631 80% 35 Chabon 3635 12 12 690 50% 3634 76% 36 Cevdet 131024 3635 12 12 710 50% 3632 72% 37 GalactusTurboSE 3634 12 12 720 50% 3631 79% 38 Knuckle Shuffle 3634 12 12 710 50% 3632 76% 39 Guzelkiz 2022 3634 12 12 720 50% 3631 75% 40 MANTIS DH2 3634 12 12 710 50% 3632 77% 41 Lion 110423 3633 12 12 710 50% 3631 80% 42 Pampa 3 3633 12 12 700 50% 3631 78% 43 OliBiyu Turbo 3633 12 12 700 50% 3631 79% 44 Everest 2023 3633 12 12 760 50% 3632 73% 45 SENTINEL 2407 3633 12 12 700 50% 3631 78% 46 Tunafish 3.2 3632 12 12 700 50% 3631 75% 47 Tufan 3632 12 12 700 50% 3631 74% 48 AQ-PrO Plus 2 3632 12 12 680 50% 3634 81% 49 Unicornio Upd2 3632 12 12 700 50% 3631 81% 50 RedDragon SC 3631 12 12 700 50% 3631 72% 51 HCAN 170125 3630 12 12 700 50% 3631 72% 52 Akan 060625 3630 12 12 700 50% 3631 81% 53 AdrianOliva 4 3630 12 12 700 51% 3628 79% 54 RumBle 1.1 3629 12 12 700 50% 3631 80% 55 Hubble 3.3 3629 12 12 690 50% 3632 79% 56 Raid 3 TR 3629 12 12 730 50% 3631 81% 57 Blunder 3628 12 12 700 50% 3631 80% 58 V by Kerveros 3628 12 12 690 49% 3632 83% 59 Rouge 121221 3628 12 12 710 50% 3631 78% 60 LooseCanon 3627 12 12 680 49% 3632 75% 61 FireOnBin 3627 12 12 700 49% 3631 73% 62 Rebel 040125 3627 12 12 700 49% 3631 74% 63 AdrianOliva 5 3627 12 12 690 49% 3630 82% 64 Sambala 3626 12 12 690 49% 3632 72% 65 Vitamin 290320 3625 12 12 720 50% 3623 75% 66 Sailfish 2 3625 12 12 730 50% 3623 73% 67 Hero 230923 3624 12 12 680 49% 3632 73% 68 SF-SE 3624 12 12 720 49% 3631 79% 69 Kayra 1.1 3623 12 12 710 49% 3631 76% 70 Revenge 3623 12 12 700 49% 3631 73% 71 LesChats 121225 3622 12 12 700 49% 3631 77% 72 Taram 3622 12 12 690 49% 3632 72% 73 Katzenmaier 3622 12 12 720 49% 3631 77% 74 Turkey 2025 3622 12 12 690 49% 3630 74% 75 Geralt 051024 3622 12 12 700 49% 3631 82% 76 CHESSBOT 3621 13 13 600 49% 3630 74% 77 HuckleBerry 11 3621 12 12 680 49% 3632 76% 78 Experience 3621 12 12 680 49% 3630 74% 79 Skynet 180724 3621 12 12 710 48% 3631 76% 80 Yoruba 100825 3620 12 12 700 49% 3631 70% 81 1337chess 3620 12 12 710 49% 3624 77% 82 MST 3620 12 12 700 49% 3631 69% 83 Predator 2.3 3620 12 12 700 48% 3632 76% 84 Arasan 2025 3619 12 12 680 48% 3632 79% 85 Feta X 3619 12 12 720 49% 3623 75% 86 HCanFree 240424 3619 12 12 690 48% 3632 78% 87 Goi-Grendel 3614 12 12 710 49% 3624 81% 88 Solista 3613 12 12 710 49% 3623 75% 89 Africaata 231125 3613 12 12 690 47% 3631 73% 90 Zeus 3612 13 13 590 49% 3620 75% 91 Ukraine 52 3612 13 13 600 47% 3630 74% 92 Ganryu 2022 3611 13 13 610 49% 3621 73% 93 Leela 310123 3611 12 12 690 47% 3632 73% 94 Notyet Dual 3609 12 12 700 47% 3631 73% 95 ProDeo 3 3604 13 13 570 46% 3630 78% 96 CF1977 3596 13 13 610 46% 3621 72% 97 Kosmodrom F 3595 13 13 590 45% 3630 74% 98 Ranomi V16 3595 13 13 610 46% 3621 70% 99 Bobcat2 3590 11 11 800 44% 3631 71% 100 Fruit 2005 3587 13 13 610 45% 3621 69% 101 No Book 3550 11 11 680 38% 3631 61%
• Calculated by Bayeselo / No Book is fixed to 3550 / Blue Name = Last Update
More Details:• All of opening books participated by same NON-NNUE engine: Cfish 190619 • The current overall draw percentage (based on 37890 games) is not high 77% • As usually, all the played tournament games are available (in PGN): CS LXXIILXXI 51 50 49 48 47 46 45 44 43 42 LXX 41 LXIX 40 39 35n BEC1 BEN2 38 37 36
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