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Individual Calculations January 2019 |
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| Pearl, Robbie Total change: -22.40 | |   |
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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 |
| 1265 | 1094 | 0.00 | 2 | -0.56 | 40 | -22.40 | |
|  Velez Garcia, Ian Carlo | | | 1336 | MEX | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Boydell, Oliver | | | 1194 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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