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Individual Calculations March 2015 |
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| Bourne, Johnathan D Total change: 12.60 | |   |
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| 4NCL 2014-15 Rounds 5-6 | Various | ENG | 2015-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1970 | 0.50 | 1 | -0.09 | 20 | -1.80 | |
|  Peck, Silas | | | 1907 | ENG | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | 44th Dyfed Chess Congress | Goodwick | WLS | 2015-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 1970 | 1.50 | 3 | 0.72 | 20 | 14.40 | |
|  Strugnell, Carl | f | | 2245 | FRA | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Powell, Lloyd | | | 2128 | WLS | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Richmond, Jane | | wf | 2100 | WLS | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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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