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Individual Calculations July 2015 |
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| Rosen, Eric S Total change: -9.30 | |   |
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| 2015 National Open | Las Vegas, Nevada | USA | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2423 | 2.50 | 5 | -0.93 | 10 | -9.30 | |
|  West, Vanessa A | | | 2085 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |  Bjorksten, Lennart | | | 2107 | USA | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Wang, Annie | | wm | 2023 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Chirila, Ioan Cristian | g | | 2527 | ROU | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Jayaram, Ashwin | m | | 2492 | IND | 0.50 | 1 | 0.10 | 10 | 1.00 | | | * 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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