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Blitz:
Individual Calculations June 2018 |
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| Sierra Berrocal, Gabriela Total change: -33.80 | |   |
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| I Torneo Blitz de Curridabat 2018 | Curridabat | CRC | 2018-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1329 | 1245 | 2.00 | 5 | -0.06 | 20 | -1.20 | |
|  Zeledon Perez, Edgar | | | 1645 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Mata Tencio, Randall | | | 1278 | CRC | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Rodriguez Jimenez, Jose Daniel | | | 1401 | CRC | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Sierra Berrocal, Auriel | | | 1198 | CRC | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Cespedes Vargas, Marlon Adrian | | | 1123 | CRC | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * 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) | | | | I Torneo Blitz San Isidro de El General 2018 | San Isidro | CRC | 2018-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1213 | 1245 | 0.00 | 3 | -1.63 | 20 | -32.60 | |
| | Pastor Carvajal, Jeigoth | | | 1110 | CRC | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Quiros Acuna, Nicole | | | 1351 | CRC | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Villegas Rodriguez, Jeremy | | | 1178 | CRC | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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