28 February 2022

TCEC S22 L1, CCC17 Rapid : Both Underway

A fortnight has passed since the previous post on the chess world's two most visible engine competitions, TCEC S22 L3 and CCC16 Blitz Final Both Underway (February 2022), so it's time for an update. Here's a summary of that post:-

TCEC: The post included an overview of the promotion and demotion rules for Season 22 (S22), a long, multistage event. After S22 QL and L4 both finished, L3 was underway. • CCC: Dragon won the 'CCC16 Blitz Challenger' match for the right to meet Stockfish, but was losing badly in the 466 game final match.

Since the, both sites have proceeded routinely with their respective schedules.

TCEC: S22 L3 finished with Koivisto and Seer promoting to L2. S22 L2 finished with Koivisto and Minic promoting to L1. Seer placed third, well ahead of the five other engines. Koivisto leads in L1, which is midway through the second of four rounds.

CCC: In the 'CCC16 Blitz Final', Stockfish beat Dragon by a score of +149-44=273 (285.5-180.5). Not a single game was won by Black.

After a 'Stockfish Classical Bonus' match, where Lc0 convincingly beat Stockfish Classic, the site started the 'CCC17 Rapid' event. Of eight engines competing in the 'Qualification' stage, Igel, Rofchade, and Stoofvlees were promoted to the 'CCC17 Rapid Main', which is getting underway.

The rules displayed on the event's 'Info' tab are still those of the 'CCC16 Rapid', which said, 'top 6 promote to Semifinals'. For a summary of those rules, see TCEC Swiss 2, CCC16 Rapid : Both Underway (November 2021).

[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; Dragon = KomodoDragon]

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