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Individual Calculations December 2021 |
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| Varley, Joe Total change: 40.60 | |   |
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| Central London Chess Congress - Open | London | ENG | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 1791 | 2.00 | 4 | 1.28 | 20 | 25.60 | |
|  Tozer, Philip A A | | | 2114 | ENG | 0.50 | 1 | 0.37 | 20 | 7.40 | |  Lalic, Peter D | | | 2161 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Sagues, Vincent | | | 1970 | FRA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Smith, Olivia | | wf | 2012 | WLS | 1.00 | 1 | 0.78 | 20 | 15.60 | |
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) | | | | 2021/22 4NCL Division 3 North Rounds 1-2 | Doncaster | ENG | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1791 | 2.00 | 2 | 0.75 | 20 | 15.00 | |
| | Lonsdale, Jon I | | | 1810 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Lamb, Ian | | | 1568 | FRA | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | |
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