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Individual Calculations January 2019 |
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| Jirasek, Ladia Total change: 16.20 | |   |
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| 2018 Berkeley Club Championship | Berkeley, California | USA | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2360 | 3.00 | 5 | -0.99 | 20 | -19.80 | |
|  Yanofsky, Kevin | | | 1960 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Poehlmann, Roger | | | 2177 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Winslow, Elliott | m | | 2166 | USA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Oconnor, Derek | | | 2239 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Walder, Michael | | | 1960 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | North American Chess Festival for Youth and Childhood (Absolute and Female) "Baja California 2018" Under 18 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 |
| 2211 | 2360 | 6.50 | 7 | 1.80 | 20 | 36.00 | |
| | Peng, David | f | | 2354 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Hua, Eugene | f | | 2311 | CAN | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Taghizadeh, Rayan | f | | 2311 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Vivekananthan, Anish | | | 2294 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Galaviz Medina, Sion Radam | c | | 2257 | MEX | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Lu, Ming | | | 1993 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Herrera Amador, Julio Cesar | | | 1960 * | MEX | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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