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Individual Calculations July 2009 |
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| Williams, John R Total change: -13.50 | |   |
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| 2009 Lina Grumette Memorial Day Classic | Los Angeles, California | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2122 | 1.50 | 5 | -0.90 | 15 | -13.50 | |
|  Yanayt, Eugene | f | | 2207 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |  Dellaca, Roger | | | 2020 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Porter, Ryan W | f | | 2284 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Gutman, Joshua | | | 2138 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Kitagami, Show | | | 2045 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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