Currently, you are able to filter the Lichess opening database to show or hide games from Bullet/Blitz/Classical. However, Ultrabullet games seem to show up under Classical. Is this a bug?
Can you show us an example?
I am not sure how to post images, but here are instructions on how to replicate the issue:
1. Open the analysis board and click opening explorer.
2. Deselect Bullet and Blitz, so that only Classical remains.
3. Enter some patently ridiculous line, like 1. d4 d5 2. Bg5 e6
You will see plenty of non-classical games still showing up in the database. Looking closer, I still see Blitz and Bullet games mixed in there too, even though the total number of games did decrease when I filtered them out.
1. Open the analysis board and click opening explorer.
2. Deselect Bullet and Blitz, so that only Classical remains.
3. Enter some patently ridiculous line, like 1. d4 d5 2. Bg5 e6
You will see plenty of non-classical games still showing up in the database. Looking closer, I still see Blitz and Bullet games mixed in there too, even though the total number of games did decrease when I filtered them out.
Thanks for reporting this. The filters were broken for a while, so we had to reindex the database. The fixed version should be live in about 1 hour.
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