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Individual Calculations December 2021 |
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| Portheault, Benjamin Total change: 12.40 | |   |
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| Central London Chess Congress - Major | London | ENG | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1614 | 1486 | 2.00 | 4 | 0.68 | 40 | 27.20 | |
|  Macphail, Kieran | | | 1584 | ENG | 0.00 | 1 | -0.37 | 40 | -14.80 | |  Brockes, Jeremy P | | | 1569 | ENG | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Nevett-Farman, Benjamin | | | 1661 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Ortolani, Paolo | | | 1640 | ITA | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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) | | | | 2021/22 4NCL Division 3 South Rounds 1-2 | Milton Keynes | ENG | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1486 | 0.00 | 2 | -0.37 | 40 | -14.80 | |
| | Weatherlake, John P | | | 1886 * | WLS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wilton, Maximilian | | | 1640 | ENG | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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) | | |
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