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Individual Calculations December 2015 |
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| Jones, Ian Robert Total change: 22.40 | |   |
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| 48th West Wales Championship | Swansea | WLS | 2015-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1976 | 3.00 | 5 | 0.56 | 40 | 22.40 | |
|  Evans, James | | | 1576 * | WLS | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Pleasants, Allan J | | | 2030 | WLS | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Ralphs, Nigel | | | 2001 | WLS | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Strugnell, Carl | f | | 2242 | WLS | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Bevan, Peter M | | | 2013 | WLS | 0.50 | 1 | 0.05 | 40 | 2.00 | | | * 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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