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Individual Calculations February 2018 |
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| Watson, Mikey J Total change: 85.20 | |   |
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| London Junior Chess Championships Under 18, 21 & Christmas Open | London | ENG | 2017-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1737 | 3.50 | 6 | 2.18 | 40 | 87.20 | |
|  Burnett, Jim | | | 2103 | ENG | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Ignatovic, Ernest | | | 1688 | LTU | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Gower, Sam | | | 2083 | ENG | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Balaji, Aaravamudhan | | | 1884 | ENG | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Golding, Alex | | | 2137 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Onslow, Alfie | | | 2022 | ENG | 0.50 | 1 | 0.34 | 40 | 13.60 | | | * 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) | | | | 2017/18 4NCL Division 4 South Rounds 3-4 | Reading | ENG | 2018-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1799 | 0.50 | 2 | -0.05 | 40 | -2.00 | |
| | Gregory, Keith D F | | | 1989 | ENG | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Tomboline, David | | | 1952 | WLS | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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