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Individual Calculations February 2019 |
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| Li, Ruifeng Total change: -12.60 | |   |
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| 28th Annual North American Open | Las Vegas, Nevada | USA | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2559 | 6.00 | 9 | -1.26 | 10 | -12.60 | |
|  Ramoutar, Alan-Safar | f | | 2180 | TTO | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Nguyen, Emily | | wm | 2262 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Breckenridge, Steven | f | | 2289 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Song, Edward | f | | 2355 | USA | 0.00 | 1 | -0.76 | 10 | -7.60 | | | Yanayt, Eugene | f | | 2159 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Wu, Rochelle | | wc | 2159 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Peng, Shunkai | f | | 2285 | CHN | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Zhu, Jack | | | 2364 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Bai, Jinshi | g | | 2568 | CHN | 0.00 | 1 | -0.49 | 10 | -4.90 | | | * 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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