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Blitz:
Individual Calculations December 2019 |
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| Mayorga Araya, Sofia Total change: 2.20 | |   |
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| CODICADER POR EQUIPOS BLITZ FEMENINO 2019 | San Jose | CRC | 2019-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1159 | 1.00 | 2 | 0.49 | 20 | 9.80 | |
|  Lobo Jimenez, Mariana | | | 1221 | PAN | 1.00 | 1 | 0.59 | 20 | 11.80 | |  Vasquez Vasquez, Marielos | | wc | 1521 | ESA | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | Campeonato Panamericano Amateur Blitz U2300 2019 | San Jose | CRC | 2019-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1159 | 0.50 | 6 | -0.38 | 20 | -7.60 | |
| | Aponte Gomez, Edgar Patricio | | | 1559 * | PER | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rodriguez Jimenez, Jose Daniel | | | 1490 | CRC | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Melendez Arce, Caleth | | | 1517 | CRC | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Rosales Gonzalez, Erick Josue | | | 1559 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Cardenas Vargas, Jean Carlo | | | 1518 | CRC | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Rodriguez Retana, Sofia | | | 1233 | 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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