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Individual Calculations November 2009 |
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| Sena, Juan O Total change: -5.10 | |   |
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| 41st Annual Atlantic Open | Washington DC | USA | 2009-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2187 | 1.50 | 4 | -0.34 | 15 | -5.10 | |
|  Guo, Gill Y | | | 2111 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | |  Slack, David | | | 2061 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Sharavdorj, Dashzegve | g | | 2430 | MGL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gorman, Dov | f | | 2282 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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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