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Individual Calculations November 2019 |
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| Sandi Quiros, Andrey Total change: 67.20 | |   |
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| Campeonato Nacional por Equipos Sub18 Juvenil 2019 | San Ramon y Naranjo | CRC | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1374 | 1405 | 2.50 | 4 | 0.36 | 40 | 14.40 | |
|  Rodriguez Jimenez, Jose Daniel | | | 1523 | CRC | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Alvarez Alvarez, Jonahel | | | 1160 | CRC | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Espitia Torres, Mateo | | | 1713 | CRC | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Lopez Lopez, Juan Francisco | | | 1101 | CRC | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | VII Open Encuentro de Culturas 2019 | Santa Ana | CRC | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1606 | 1405 | 3.00 | 6 | 1.32 | 40 | 52.80 | |
| | Jimenez Sancho, Pedro Pablo | | | 1805 * | CRC | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Fernandez Sibaja, Felipe J | c | | 1805 * | CRC | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Meza Vega, Jose Antonio | | | 1468 | CRC | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Melendez Arce, Caleth | | | 1628 | CRC | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Avendano Porras, Rodrigo | | | 1703 | CRC | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Bolanos Diaz, Daniel | | | 1224 | CRC | 1.00 | 1 | 0.26 | 40 | 10.40 | | | * 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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