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Individual Calculations February 2020 |
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| Perrett, David C Total change: -2.00 | |   |
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| 2019/20 4NCL Div 4 Rounds 3 - 4 | Maidenhead | ENG | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1943 | 0.00 | 1 | -0.38 | 20 | -7.60 | |
|  Forster, Matthew | | | 2034 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | | | Welsh Chess Premier League 2019/2020 Round 3 | Neath | WLS | 2020-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1943 | 1.00 | 1 | 0.28 | 20 | 5.60 | |
| | Howells, Chris | | | 1778 | WLS | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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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