Breaking News - 02.02.2026:Just another new unofficial competition, as players are picked:Mainly Stockfish eng releases of period between 2020 - 2026,And as alternative: LXVIII Champion (Killfish PB) is played too:And this time no comments about Elo eng improvements..exc.Not so much since Stockfish 17, at least via strong openings,But if comparing with older... the improvements much better!By the way, what I've told you before ?)Mr. Anton is Mr. Anton.. not on papers, but via 'true' facts!
The Leader: KillfishPB 260126 - Congrats to Anton CES, SF team! 
Rank Name                Elo    +    - games score oppo. draws   1 KillfishPB 260126  3805    5    5  1176   62%  3742   73%    2 Stockfish 18       3803    5    5  1176   62%  3743   73%    3 Stockfish 17       3800    5    5  1176   61%  3743   74%    4 Stockfish 16       3775    6    6  1176   56%  3747   78%    5 Stockfish 15       3750    6    6  1176   50%  3750   73%    6 Stockfish 14       3715    5    5  1176   42%  3755   70%    7 Stockfish 13       3692    5    5  1176   37%  3758   62%    8 Stockfish 12       3662    5    5  1176   29%  3763   54%
     More Details (when the unofficial tour was active):    • As usual, almost of engines are AVX2, tested via theirs default Evalfiles     • For max. stability and performance: HT (SMT) plus Large Page disabled      • All of tournament matches are played with physical core/s (not thread/s)     • GUI Options - Concurrent Games: 68, that means with 53% CPU usage    • A newer Unique opening suite is used for all players (tuned for 3800+ Elo)  And for more fair conditions, each of used opening line repeated: twice    • Sure where possible: all of engines are played with move overhead 100     • Draw ratio is high: 70% but if  using weaker openings, we may see less..    • All of the played tour games are available (in PGN): SF-NN 2020-2026