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Viewing profile — drw

drw

HN member
Joined
Fri, Oct 15, 2010, 8:03 PM UTC
HN karma
31
Public activity
22 items

About drw

Chess.com Director of Research roland@chess.com

Recent public activity

  1. story
    Show HN: Mycli 2.0

    Mycli is a (fancy) alternative REPL for MySQL. Features added in recent months: * fuzzy history search with fzf * integrated LLMs with an /llm command * shell-like query-result red…

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    Comment #48522668

    I'm sure they are getting training data! But it is hands-off otherwise.

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    Comment #48521379

    Mycli ( https://github.com/dbcli/mycli ) is a happy recipient of sponsorship from this program. OpenAI asked for nothing in return; not even a link.

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  11. comment
    Comment #31331905

    More flexible would be a double-quote-region widget which can be applied arbitrarily to any region of a command line: emulate -L zsh if [[ "$REGION_ACTIVE" -eq 0 ]]; then return fi…

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  13. comment
    Comment #25740908

    The team had to selectively throttle access to that one game and change things around to get through the overload. I'm trying to pun "paged" with "Phish" and it doesn't work. But o…

  14. comment
    Comment #25451143

    Among chess.com players who have played 10+ blitz games and 10+ puzzles, the average difference between their blitz rating and puzzle rating is 45 (blitz rating higher). The standa…

  15. comment
    Comment #25259248

    Yes, the rating differs by theme quite a bit. +-------------------+------------+ | theme/tag | mdn_rating | |-------------------+------------| | Opposition | 1725 | | Passed Pawns …

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    Comment #25258865

    Definitely on the roadmap.

  17. comment
    Comment #25258837

    We sometimes do that. I'm resetting that puzzle down to 1480.

  18. comment
    Comment #25258195

    Last month we added 2800, the vast majority automatically derived, though we also prize expert review. We are thinking of doubling that rate next month. I'm not sure much can be do…

  19. comment
    Comment #25258075

    There certainly can be short difficult puzzles, but as I mentioned elsewhere, I think the current 4000-rated puzzles look like outliers and may be removed. +----------------+------…

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    Comment #25258011

    I am not sure that the 5 specific puzzles maxed out at the 4000 also represent the very best, most fun, and most insightful. Sometimes the reason a puzzle comes up as an extreme ou…

  21. comment
    Comment #25256424

    The iOS team doesn't see any recent crashes that associate to viewing videos. If you want to follow up, feel free to email me your chess.com username and the approximate date when …

  22. comment
    Comment #25253889

    Something we work very hard on at chess.com is the rating of the individual tactics puzzles. Some of you might enjoy looking at the distribution of our puzzle ratings. Truly hard p…