21 December 2020

TCEC S20 Reaches L1; CCC Regrouping

For the previous fortnightly report on the two most important, ongoing engine vs. engine competitions, see TCEC S20 Underway; CCC Less Uncertain. The situation at that time can be summarized,

TCEC: In the FRC2 final league, LCZero and Stockfish finished first and second to qualify for the 50-game final match. Stockfish beat LCZero +8-0=42. S20 kicked off with a seven-engine 'Qualification League', followed by 'League 4' (L4). L3 is currently underway • CCC: The top six engines of the 'CCC Blitz Championship 2020' qualified into the semi-final stage. Stockfish and Lc0 then qualified into the 500-game final match where Stockfish has a comfortable lead over Lc0. Chess.com had been looking for a new CCC TD and a name was given on the CCC's Discord site

This current post is the last report for the year 2020. Next year should start with both sites advancing in their respective plans.

TCEC: L3 finished with a pair of NNUE engines qualifying into L2. One of them, Nemorino, also qualified into L1, which is currently underway and should finish this week.

CCC: The 'CCC Blitz Championship 2020' final match finished with Stockfish beating Lc0 by a score of +123-69=308. All of the wins were by White, except for two wins by Stockfish as Black. This was followed by an 'Odds ladder', format unknown except '!book • "Odds ladder" by Erik', perhaps better left unknown. After weeks of repeating '!next • soon', the site announced,

!next • Bonus with updated Leela and SF. Then testing and showcase of engines new to CCC. CCC main event with over twenty engines coming later with a new hardware rig.

The suspension of the current season, CCC15 (now previous season?), was first reported on this blog in TCEC S19 DivP Chugging Along; CCC15 Halted (September 2020). Since then, the TCEC has cycled through nearly an entire season, with S20 DivP scheduled to start soon.

[For further information from the various stakeholders in the engine-to-engine events, see the tab 'TCEC/CCC Links' at the top of this page. • NB: Leela = LC0 = LCzero]

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