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Individual Calculations January 2019 |
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| Velez Garcia, Ian Carlo Total change: -34.80 | |   |
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| North American Chess Festival for Youth and Childhood (Absolute and Female) "Baja California 2018" Under 10 Absolute | Hotel Puerto Nuevo Baja Hotel & Villas, Tijuana-Ensenada freeway Km. 44.5 B.C. | MEX | 2018-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1238 | 1336 | 1.00 | 3 | -0.87 | 40 | -34.80 | |
|  Pearl, Robbie | | | 1094 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Boydell, Oliver | | | 1194 | USA | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Xie, Bryan | | | 1427 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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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