TCEC: The S21 Sufi [aka Superfinal, aka Final] is currently at 72 games played. Stockfish leads LCZero by a score of +13-6=53. • CCC: The site continues to run multi-engine, multi-round-robin blitz/bullet tournaments based on thematic 'romantic openings'. It is seeking additional help; more info, including a job spec and application, is available online.
Since that report from two weeks ago, the TCEC event finished, while the CCC events morphed. Here is the current status.
TCEC: Stockfish beat LCZero in the S21 Sufi by a score of +19-7=74 (56.0-44.0). This is even better than the +18-8=74 score predicted in the previous post, 'S21 Sufi Underway'. If my calculations are correct, Stockfish clinched the win after 92 games, then finished +3-0=5 in the remaining games. Before the Sufi started, in TCEC Prepares S21 Sufi; CCC in Romantic Mode (July 2021), I noted,
The S21 Sufi will mark the fifth consecutive Sufi match between the same two engines. [...; The S20 Sufi] was Stockfish's third straight victory over LCZero.
Now we can talk about Stockfish's fourth straight victory. After the Sufi, the TCEC ran a series of bonus matches and is currently running a three-engine 'VVLTC Bonus', where the actonym stands for 'Very Very Long Time Control', i.e. PGN tag '[TimeControl "21600+60"]'. That's in seconds, which translates to 360 minutes (6 hours) per side for the game plus one minute per move.
CCC: The site continues to run thematic events based on romantic openings. The following list shows the openings used since my previous post two weeks ago, when the first on the list was then underway, and the last is now underway.
Calabrese Countergambit (1.e4 e5 2.Bc4 f5)
Traxler Counterattack (1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 Bc5)
That makes two dubious openings in two weeks. I struggle for words, so I'll say no more...
[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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