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Individual Calculations February 2023 |
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| Rida, Ruqayyah Total change: 259.60 | |   |
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| London Christmas Chess Congress - Major | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1414 | 6.00 | 6 | 4.75 | 40 | 190.00 | |
|  Islam, Mohammed | | | 1696 | BAN | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Llewellyn, Julian D | | | 1674 | ENG | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Colter, Nigel | | | 1671 | ENG | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Catabay, Mae Katelyn Rose | | | 1396 | ENG | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Ashcroft, Graham J | | | 1805 | ENG | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Sivanandan, Bodhana | | | 1762 | ENG | 1.00 | 1 | 0.89 | 40 | 35.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2022/23 4NCL Division 4 Rounds 3-4 | Daventry | ENG | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1411 | 0.00 | 1 | -0.04 | 40 | -1.60 | |
| | Tucker, David S | | | 1926 | ENG | 0.00 | 1 | -0.04 | 40 | -1.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 29th 4NCL Congress Major | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1411 | 2.50 | 3 | 1.78 | 40 | 71.20 | |
| | Liu, Zizheng | | | 1611 | ENG | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Farahmandpour, Ehsan | | | 1464 | ENG | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Gibbs, Dominic V | | | 1873 | ENG | 0.50 | 1 | 0.45 | 40 | 18.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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