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Individual Calculations May 2017 |
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| Williams, Stephen Total change: -30.60 | |   |
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| 2017 Tom Weston Memorial | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1714 | 2.50 | 6 | -1.53 | 20 | -30.60 | |
|  Summers, Charles | | | 1926 | WLS | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Fraser, Susanna | | | 1419 | WLS | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Lutchman Singh, Aishwarya | | | 1411 | WLS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | O`rourke, Kevin | | | 1314 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bonutto, Stephen | | | 1474 | WLS | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Wagner, Guy | | | 1809 | WLS | 0.00 | 1 | -0.37 | 20 | -7.40 | | | * 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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