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Individual Calculations February 2019 |
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| Ballestero Araya, Humberto Total change: -25.20 | |   |
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| Campeonato Nacional Juvenil Absoluto Sub18 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1313 | 1204 | 2.00 | 7 | -0.63 | 40 | -25.20 | |
|  Quesada Leon, Joshua | | | 1604 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Arguedas Bolanos, Sharline | | | 1362 | CRC | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Bolanos Diaz, Daniel | | | 1273 | CRC | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Alvarez Alvarez, Jonahel | | | 1068 | CRC | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Cardenas Vargas, Jean Carlo | | | 1268 | CRC | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Rosales Gonzalez, Jessica | | | 1125 | CRC | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Rodriguez Jimenez, Jose Daniel | | | 1489 | CRC | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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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