{"action":"created","issue":{"url":"https://api.github.com/repos/official-stockfish/Stockfish/issues/1839","repository_url":"https://api.github.com/repos/official-stockfish/Stockfish","labels_url":"https://api.github.com/repos/official-stockfish/Stockfish/issues/1839/labels{/name}","comments_url":"https://api.github.com/repos/official-stockfish/Stockfish/issues/1839/comments","events_url":"https://api.github.com/repos/official-stockfish/Stockfish/issues/1839/events","html_url":"https://github.com/official-stockfish/Stockfish/pull/1839","id":386225666,"node_id":"MDExOlB1bGxSZXF1ZXN0MjM1MDE3NjI1","number":1839,"title":"Asymmetrical 8x8 Pawn PSQT","user":{"login":"Kurtbusch","id":13353645,"node_id":"MDQ6VXNlcjEzMzUzNjQ1","avatar_url":"https://avatars1.githubusercontent.com/u/13353645?v=4","gravatar_id":"","url":"https://api.github.com/users/Kurtbusch","html_url":"https://github.com/Kurtbusch","followers_url":"https://api.github.com/users/Kurtbusch/followers","following_url":"https://api.github.com/users/Kurtbusch/following{/other_user}","gists_url":"https://api.github.com/users/Kurtbusch/gists{/gist_id}","starred_url":"https://api.github.com/users/Kurtbusch/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Kurtbusch/subscriptions","organizations_url":"https://api.github.com/users/Kurtbusch/orgs","repos_url":"https://api.github.com/users/Kurtbusch/repos","events_url":"https://api.github.com/users/Kurtbusch/events{/privacy}","received_events_url":"https://api.github.com/users/Kurtbusch/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":11,"created_at":"2018-11-30T15:09:15Z","updated_at":"2018-12-07T17:35:09Z","closed_at":null,"author_association":"NONE","pull_request":{"url":"https://api.github.com/repos/official-stockfish/Stockfish/pulls/1839","html_url":"https://github.com/official-stockfish/Stockfish/pull/1839","diff_url":"https://github.com/official-stockfish/Stockfish/pull/1839.diff","patch_url":"https://github.com/official-stockfish/Stockfish/pull/1839.patch"},"body":"STC:\r\nLLR: 2.96 (-2.94,2.94) [0.00,5.00]\r\nTotal: 13323 W: 3015 L: 2818 D: 7490\r\nhttp://tests.stockfishchess.org/tests/view/5c00a2520ebc5902bcedd41b\r\n\r\nLTC:\r\nLLR: 2.96 (-2.94,2.94) [0.00,5.00]\r\nTotal: 52294 W: 9093 L: 8756 D:34445\r\nhttp://tests.stockfishchess.org/tests/view/5c00b2c40ebc5902bcedd596\r\n\r\nSome obvious followups to this are to further tune this PSQT, or try 8x8 for other pieces. As of now I don't plan on trying this for other pieces as I think the majority of the ELO it brings is for pawns and kings.\r\n\r\nLooking at the new values, the differences between kingside and queenside are quite significant. I am very hopeful that this allows SF to understand and plan pawn structures even better than it already does. Cheers!\r\n\r\n(Updated with fully tuned values which passed STC)\r\n\r\nBench: 3826765"},"comment":{"url":"https://api.github.com/repos/official-stockfish/Stockfish/issues/comments/445307193","html_url":"https://github.com/official-stockfish/Stockfish/pull/1839#issuecomment-445307193","issue_url":"https://api.github.com/repos/official-stockfish/Stockfish/issues/1839","id":445307193,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0NTMwNzE5Mw==","user":{"login":"Vizvezdenec","id":26898827,"node_id":"MDQ6VXNlcjI2ODk4ODI3","avatar_url":"https://avatars2.githubusercontent.com/u/26898827?v=4","gravatar_id":"","url":"https://api.github.com/users/Vizvezdenec","html_url":"https://github.com/Vizvezdenec","followers_url":"https://api.github.com/users/Vizvezdenec/followers","following_url":"https://api.github.com/users/Vizvezdenec/following{/other_user}","gists_url":"https://api.github.com/users/Vizvezdenec/gists{/gist_id}","starred_url":"https://api.github.com/users/Vizvezdenec/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Vizvezdenec/subscriptions","organizations_url":"https://api.github.com/users/Vizvezdenec/orgs","repos_url":"https://api.github.com/users/Vizvezdenec/repos","events_url":"https://api.github.com/users/Vizvezdenec/events{/privacy}","received_events_url":"https://api.github.com/users/Vizvezdenec/received_events","type":"User","site_admin":false},"created_at":"2018-12-07T17:35:09Z","updated_at":"2018-12-07T17:35:09Z","author_association":"NONE","body":"In theory since all pieces apart from pawns can move forward and backward PSQTs should be 4x4. \r\n4x8 or 8x8 are workaround about our imperfect eval heuristics, imho."}}
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