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Individual Calculations October 2017 |
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| Wells, Peter K Total change: 7.40 | |   |
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| 15th 4NCL Congress Open | Doncaster | ENG | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2440 | 3.50 | 4 | 0.74 | 10 | 7.40 | |
|  Dunn, Alan M | | | 2040 * | NZL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hebden, Mark L | g | | 2462 | ENG | 1.00 | 1 | 0.53 | 10 | 5.30 | |  Merry, Alan B | m | | 2412 | ENG | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Moreby, James E | | | 2171 | ENG | 1.00 | 1 | 0.17 | 10 | 1.70 | | | * 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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