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Individual Calculations February 2018 |
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| Howells, Chris Total change: -10.40 | |   |
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| South Wales New Year Open 2018 | Bridgend | WLS | 2018-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1860 | 2.50 | 5 | -0.26 | 40 | -10.40 | |
|  Young, Alan | | | 2023 | WLS | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Jaberansari, Daniel | | | 1460 * | WLS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Van Kemenade, Rudy | | | 1969 | WLS | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Morgans, Justin | | | 1649 | WLS | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Parry, Matthew | | | 1903 | WLS | 0.50 | 1 | 0.06 | 40 | 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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