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Individual Calculations December 2017 |
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| Wongso, Merissa Total change: 14.80 | |   |
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| 53rd Annual American Open - U2200 | Costa Mesa, California | USA | 2017-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1652 | 1289 | 1.00 | 6 | 0.37 | 40 | 14.80 | |
|  Perkins, Joaquin | c | | 1689 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Vihon, Howard | | | 1689 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Alonso, Francisco | | | 1689 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Thirumalai, Atul | | | 1568 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Hemmat, Alexander | | | 1689 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Ke, Rianne | | wc | 1588 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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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