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Individual Calculations January 2019 |
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| Wu, Rochelle Total change: 57.60 | |   |
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| North American Chess Festival for Youth Under 20 (Absolute and Female) "Baja California 2018" Under 20 Female | 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 |
| 1766 | 2072 | 6.00 | 7 | 0.20 | 40 | 8.00 | |
|  Demchenko, Svitlana | | wf | 2110 | CAN | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Liu, Kimberly | | wf | 1851 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Santiago Gonzalez, Frida | | wc | 1716 | MEX | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Salas Estrada, Ana Paola | | wc | 1672 * | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Salas Estrada, Ana Valeria | | wc | 1672 * | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gama, Quintana Assia | | | 1672 * | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Constantino Gomez, Atzin F | | | 1672 * | MEX | 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) | | | | GM Igor Ivanov Weekender | Berkeley, California | USA | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2096 | 2.50 | 3 | 0.92 | 40 | 36.80 | |
| | Kim, Isaiah | | | 2002 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Winslow, Elliott Charles | m | | 2181 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Li, Eric | c | | 2045 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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) | | | | GM Daniel Naroditsky Championship | Milpitas, California | USA | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2361 | 2096 | 0.50 | 1 | 0.32 | 40 | 12.80 | |
| | Coleman, Teddy | m | | 2361 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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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