The full database for the Chess Engines Diary website. 2009-2023. Unannotated. Doubles removed.
CEDR Games — 416,724 games | 392 MB PGN | 78 MB 7z
Author: Ian
CvC and CvH. Includes 26 different high-rated bots, as downloaded 2023-03-12. Filtered to include only 2000+ games with 10+ moves. No bullet games or variants. Doubles removed.
Lichess Bot DB — 162,278 games | 180 MB PGN | 33 MB 7z
A project undertaken by an anonymous internet user, via the Chesscom Published Data API, filtered here to include only 2500+ games with 10+ moves. The entire project begins halfway through 2021, but all I have is 2022-01 to 2022-11.
Chesscom Elite — 1,030,177 games | 1.08 GB PGN | 186 MB 7z
Games considered by ChessBase 17 to be both “strong” and “most beautiful”.
Strong games seem to filter on at least 2400 and at least 10 moves. Beauty score is determined according to interesting play, such as sacrifices, and is given between zero and three “medals”. Most beautiful games are those with three medals.
Sources are Playchess, Playchess Infinity, CCRL, CEGT, FGRL, FICS, JCER, the Gladiators DB, and the Lc0 games posted here.
Elegance DB — 270,693 games | 266 MB PGN | 46 MB 7z
These are match games organized by month, and training games organized by test run and by day.
Tags added for player, rating, event, site, event date, date, ECO, opening, beauty and PlyCount. All 960 games removed.
Lc0MG 2022-12 — 2,560,642 games | 2.41 GB PGN | 445 MB 7z
Lc0MG 2023-01 — 1,907,622 games | 1.80 GB PGN | 346 MB 7z
T60 2022-01-01 — 513,567 games | 490 MB PGN | 99 MB 7z
T60 2022-01-02 — 609,065 games | 581 MB PGN | 117 MB 7z
T60 2022-01-03 — 610,590 games | 583 MB PGN | 117 MB 7z
T60 2022-01-04 — 559,167 games | 499 MB PGN | 102 MB 7z
T60 2022-01-05 — 536,930 games | 482 MB PGN | 100 MB 7z