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Individual Calculations November 2010 |
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| Williams, Justus D Total change: 3.00 | |   |
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| 2010Marshall September Grand Prix | New York, New York | USA | 2010-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2155 | 0.50 | 1 | 0.07 | 15 | 1.05 | |
|  Barrett, Steve | | | 2205 | ENG | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | Continental Class Championships | Arlington, Virginia | USA | 2010-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2155 | 3.00 | 8 | 0.13 | 15 | 1.95 | |
|  Kacheishvili, Giorgi | g | | 2555 * | GEO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Itkis, Hana | | wf | 2060 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Kudrin, Sergey | g | | 2546 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Kats, Alena | | | 2055 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Zapata, Alonso | g | | 2488 | COL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Adu, Oladapo Oluto | m | | 2237 | NGR | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Holroyd, Kenneth J | | | 2121 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Santarius, Erik | | | 2249 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | * 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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