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Individual Calculations September 2015 |
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| Yu, Jennifer R Total change: 36.40 | |   |
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| 2015 North American U20 Female Championships | Kitchener | CAN | 2015-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 2072 | 6.50 | 9 | 0.40 | 40 | 16.00 | |
|  Dong, Alice | | | 1841 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Ding, Kimberly | | wf | 1920 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Bykovtsev, Agata | | wf | 2034 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Li, Yilin | | | 1853 | CAN | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Wang, Annie | | wm | 2065 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Zhou, Qiyu | | wm | 2126 | CAN | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Feng, Maggie | | wc | 2037 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Giblon, Rebecca | | | 1739 | CAN | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Nguyen, Duy Thien An | | wc | 1672 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 4th Annual Washington International - Section A | Rockville, Maryland | USA | 2015-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2277 | 2193 | 4.00 | 9 | 0.51 | 40 | 20.40 | |
| | Sorkin, Igor | | | 2378 | ISR | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Wang, Kevin | f | | 2319 | USA | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Zhang, Yuanchen | f | | 2314 | CAN | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Pressman, Leif | f | | 2276 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Ulrich, Rachel J | | wf | 2184 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Karma, Pandya | | | 2256 | IND | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Gorti, Akshita | f | wf | 2315 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Kaufman, Larry C | g | | 2320 | USA | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Cuarta Garcia, Braulio | | | 2129 | CUB | 0.50 | 1 | -0.09 | 40 | -3.60 | |
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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