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Individual Calculations September 2023 |
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| Jefremov, Aivar Total change: -13.20 | |   |
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| London Montague Congress - U1900 | London | ENG | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1669 | 3.00 | 5 | -0.66 | 20 | -13.20 | |
|  Thompson, David Nigel | | | 1304 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Ranasinghe, Kasun Anuranga | | | 1514 | SRI | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Walia, Michael Kanishk | | | 1399 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Cuthbert, Larissa | | | 1532 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Prince, Alan R | | | 1641 | ENG | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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) | | |
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