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Individual Calculations December 2021 |
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| Tivillier, Jacques Total change: -10.80 | |   |
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| Central London Chess Congress - Open | London | ENG | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1767 | 1.00 | 3 | 0.28 | 20 | 5.60 | |
|  Gray, Mark S | | | 2167 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Lundback, Anders | | | 1841 | SWE | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Green, Michael | | | 1972 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | * 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) | | | | 2021/22 4NCL Division 3 South Rounds 1-2 | Milton Keynes | ENG | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1767 | 0.50 | 2 | -0.82 | 20 | -16.40 | |
| | Deacon, David J | | | 1638 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Smith, Steven J | | | 1658 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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