11 October 2021

TCEC Testing Cup 9; CCC C960 Blitz Semifinal

What's happening in the world of top-class engine vs. engine competitions? I'll summarize the previous post TCEC VSOB 21, CCC C960 Blitz Championship : Both Underway (September 2021), as follows:-

TCEC: 'VSOB 21' will finally have run for more than five weeks. What's next? 'Cup9'... • CCC: The site is running a 'Chess960 Blitz Championship' with 12 engines in a multi-round all-play-all format.

Fast forward two weeks. Let's take a snapshot of the current status.

TCEC: 'VSOB 21' eventually finished after 616 games, the same number that was scheduled two weeks ago. When I looked at the schedule last week, it had been extended to 720 games, which was apparently (mercifully) reduced afterward. If I can't think of a better idea for an off-week post, I'll take a look at the 616 games. The '!cup9' plan now says,

ETA = expected soon, apologies for the delay! The plan to increase the number of participants from 32 to all participants in the Leagues has been postponed. This change would need elaborate preparatory testing (GUI brackets and byes).

The site is currently performing 'Cup 9 Testing'. For more info on the upcoming event, see TCEC Cup 9 (wiki.chessdom.org). It says:-

This page 'TCEC Cup 9' is used for engine registration, to see which engines and updates have been requested, announced and received. Deadline for updates is 15 October.

I expect the tournament will be well underway by my next report in two weeks. Since the TCEC cup events proceed quickly, it might even be finished.

CCC: In the 'Chess960 Blitz Championship', each engine played 16 games against each of the other 11 engines, for 176 games total. Stockfish, Dragon, and Lc0 finished 1-2-3. Three more engines also qualified into the 'Chess960 Blitz Semifinals'. Along the way, Stockfish dropped only one full point, to Lc0.

In the semifinal, the 600 scheduled games finish within a week. At 15 games per round, the event will go 40 rounds, or 20 double rounds. I'll reserve any discussion of the games for my 'Chess960 (FRC)' blog, listed on the sidebar. Is this the first CCC chess960 event? A scan of past reports on this blog revealed nothing else, but I haven't been following the CCC since it started in 2017.

[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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