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Individual Calculations February 2018 |
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| Simpson, Derek Total change: 12.80 | |   |
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| 17th 4NCL Congress Open | Harrogate | ENG | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1659 | 1.00 | 3 | 0.64 | 20 | 12.80 | |
|  Vickery, Jim E | | | 1942 | ENG | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Yoon, Jacob D | | | 2059 * | ENG | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Nicholson, Jim Wr | | | 1999 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | * 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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