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Individual Calculations August 2018 |
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| Williams, David J Total change: -11.00 | |   |
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| 15th South Wales International Open | Cardiff | WLS | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1634 | 1528 | 2.50 | 8 | -0.55 | 20 | -11.00 | |
|  Van Onzen, Jeroen | | | 1928 * | NED | 0.00 | 1 | -0.08 | 20 | -1.60 | |  McGregor, John | | | 1849 | WLS | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Williams, Stephen | | | 1651 | WLS | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Fowler, Hugo | | | 1778 | WLS | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Harris, Calum | | | 1743 | WLS | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Chung, Ethan Cheung Jing | | | 1446 | WLS | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Fowler, Caspian | | | 1404 | WLS | 0.00 | 1 | -0.67 | 20 | -13.40 | | | O`rourke, Kevin | | | 1276 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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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