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Individual Calculations August 2019 |
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| Williams, David J Total change: 9.00 | |   |
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| 16th South Wales International Open | Bridgend | WLS | 2019-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1519 | 1.50 | 5 | 0.45 | 20 | 9.00 | |
|  Hewitt, William | | | 1919 * | WLS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  James, Dai | | | 1848 | WLS | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Spanton, Tim R | | | 1900 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Thomas, Roy | | | 1708 | WLS | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Emblem, Mark | | | 1513 | WLS | 1.00 | 1 | 0.49 | 20 | 9.80 | | | * 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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