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Individual Calculations August 2017 |
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| Williams, Ron Total change: -12.40 | |   |
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| 14th South Wales International Open | Cardiff | WLS | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1704 | 2.50 | 7 | -0.62 | 20 | -12.40 | |
|  Marusenko, Petr | m | | 2104 * | UKR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Taylor, Robert Graham | | | 1944 | WLS | 0.50 | 1 | 0.30 | 20 | 6.00 | |  Rodriguez, Juan Talavera | | | 1963 | WLS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Livermore, Richard | | | 1565 | WLS | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Ray, Hiya | | | 1523 | WLS | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Sivarajasingam, Venetia | | wc | 1710 | WLS | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Williams, David J | | | 1518 | WLS | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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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