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Individual Calculations August 2018 |
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| Williams, Stephen Total change: -31.00 | |   |
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| 15th South Wales International Open | Cardiff | WLS | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1651 | 0.50 | 5 | -1.55 | 20 | -31.00 | |
|  Player, Edmund C | | | 2051 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Robinson, David | | | 1919 | WLS | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Williams, David J | | | 1528 | WLS | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Orton, Paul | | | 1605 | WLS | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Robertson, Jim | | | 1604 | SCO | 0.00 | 1 | -0.57 | 20 | -11.40 | | | * 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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