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Individual Calculations February 2023 |
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| Cawston, M John Total change: -4.40 | |   |
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| London Christmas Chess Congress - Major | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1607 | 1723 | 3.00 | 5 | -0.20 | 20 | -4.00 | |
|  Rao, Shree | | | 1554 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Catabay, Mae Katelyn Rose | | | 1396 | ENG | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Lim, Wei Xinq Sean | | | 1733 | MAS | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Shek, Daniel | | | 1548 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Ashcroft, Graham J | | | 1805 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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 |
| 1518 | 1723 | 1.50 | 2 | -0.02 | 20 | -0.40 | |
| | Farahmandpour, Ehsan | | | 1464 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Connor, Michael I | | | 1572 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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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