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Blitz:
Individual Calculations August 2019 |
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| Monge Ramirez, Abigail Total change: 17.20 | |   |
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| JDN Blitz U12 Individual Femenino 2019 | Ciudad Colon | CRC | 2019-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1194 | 1157 | 1.50 | 2 | 0.61 | 20 | 12.20 | |
|  Rojas Mora, Elena | | | 1183 | CRC | 1.00 | 1 | 0.54 | 20 | 10.80 | |  Semana Ramirez, Brenda | | wc | 1204 | CRC | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Segundo Torneo Blitz de San Ramon 2019 | San Ramon | CRC | 2019-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1157 | 1.00 | 5 | 0.25 | 20 | 5.00 | |
| | Castro Ulloa, Rolando | | | 1557 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Avendano Porras, Rodrigo | | | 1516 | CRC | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Jarquin Duran, Ricardo | | | 1557 * | CRC | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Solis Prieto, Javier | | | 1547 | CRC | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Rosales Gonzalez, Jessica | | | 1228 | CRC | 0.00 | 1 | -0.40 | 20 | -8.00 | | | * 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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