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Individual Calculations February 2023 |
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| Pink, Joshua Total change: 2.40 | |   |
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| London Christmas Chess Congress - Open | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1887 | 2.00 | 4 | -0.27 | 20 | -5.40 | |
|  Yogit, S | | | 2084 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Latypova, Olga L | | | 1696 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Iyengar, Ilya | | | 1998 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Harandi, Kamran | | | 1487 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1835 | 1887 | 1.50 | 2 | 0.39 | 20 | 7.80 | |
| | Ivanov, Elizabeth | | | 1605 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Robson, Ian A | | | 2064 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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) | | |
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