minor changes#195
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Naphthalin merged 1 commit intoMar 21, 2026
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🚀 Draft Preview: https://pr195-draft.lc0.org/ |
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Pull request overview
Updates a 2026 blog post describing Leela odds blitz challenges, refining the written rules/eligibility conditions for the “Double Knight odds” challenge.
Changes:
- Clarifies (in prose) when the “overall plus score” condition starts counting.
- Tightens/expands the eligibility requirements in the challenge-condition bullet list.
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| For the next challenge, the odds will switch to [two (white) knights](<https://lc0.org/NN>) against the [LeelaPieceOdds](<https://lichess.org/@/LeelaPieceOdds>) bot. It should be a slightly larger handicap than queen for knight, but because it has its own net, actual results so far against humans have been almost as impressive as in the Q for N challenge, although 2900+ (Lichess blitz) IM Kacper Drozdowski did beat it convincingly a few days ago in test games at 3'+1", which he was not able to achieve at queen for knight odds. Therefore we will solely use the 3'+0" blitz time control as we did at first with queen for knight, and only increase it to 3'+1" after several strong top blitz players like Drozdowski and Xiong fail to claim the prize at 3'+0". | ||
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| Note that unlike in the first challenge, 2'+1" will not be treated as an equivalent replacement for 3'+0". Other than that, the format will be mostly the same: $300 prize, same player restrictions (titles below FM or Lichess blitz rating below 2500 may be allowed on request for streamers or players with high chess.com ratings by contacting [Hissha](<https://lichess.org/@/Hissha>) via Lichess or in the [Lc0 Discord](<https://lc0.org/chat>)), but some changes to the winning conditions. This time the prize will go to the first player to make an overall plus score which includes at least ten wins (again assuming no evidence of cheating). Games won due to engine disconnection/crash/engine stalling out don't count. | ||
| Note that unlike in the first challenge, 2'+1" will not be treated as an equivalent replacement for 3'+0". Other than that, the format will be mostly the same: $300 prize, same player restrictions (titles below FM or Lichess blitz rating below 2500 may be allowed on request for streamers or players with high chess.com ratings by contacting [Hissha](<https://lichess.org/@/Hissha>) via Lichess or in the [Lc0 Discord](<https://lc0.org/chat>)), but some changes to the winning conditions. This time the prize will go to the first player to make an overall plus score (once the challenge is live) which includes at least ten wins (again assuming no evidence of cheating). Games won due to engine disconnection/crash/engine stalling out don't count. |
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The start-time wording is internally inconsistent: this sentence says the plus-score requirement applies "(once the challenge is live)", but later the summary states "starting now, i.e. 2026-03-21 00:00 UTC". Please make the start condition unambiguous and consistent in both places (either specify the exact start timestamp here, or remove/adjust the later "starting now" line).
| - [LeelaPieceOdds](<https://lichess.org/@/LeelaPieceOdds>) plays white with both of its knights removed [lc0.org/NN](<https://lc0.org/NN>) | ||
| - time control is 3'+0" | ||
| - challenge is open to all titled players FM and above (GM, IM, FM) with revealed identities, plus extended after personal request (see above) | ||
| - challenge is open to all titled players FM and above (GM, IM, FM) with a 2500+ Lichess blitz rating (50+ games) and their identity revealed, with possible extensions after personal request (see above) |
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This bullet reads as if all FM+ titled players are eligible, but then adds a 2500+ Lichess blitz rating (50+ games) requirement. Consider rephrasing to avoid the contradiction (e.g., state the rating requirement up front and explicitly note exceptions via request), so readers don't misinterpret eligibility.
Suggested change
| - challenge is open to all titled players FM and above (GM, IM, FM) with a 2500+ Lichess blitz rating (50+ games) and their identity revealed, with possible extensions after personal request (see above) | |
| - challenge is open to titled players FM and above (FM, IM, GM) who have a Lichess blitz rating of at least 2500 with 50+ games and a revealed identity; exceptions for lower titles or ratings may be granted on personal request (see above) |
john-sp
approved these changes
Mar 21, 2026
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