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Individual Calculations January 2018 |
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| Nunez Okubo, Isao Total change: 28.00 | |   |
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| I Copa Goicoechea 2017 | Guadalupe | CRC | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1514 | 2.00 | 5 | 0.06 | 40 | 2.40 | |
|  Castro Garcia, Alejandro | | | 1512 | CRC | 0.50 | 1 | 0.00 | 40 | 0.00 | |  Bogantes Robleto, Karina | | | 1686 | CRC | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Solano Cordero, Jorge | | | 1633 | CRC | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Ramirez Marchena, Carlos Andres | | | 1640 | CRC | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Castro Garcia, Alejandro | | | 1512 | CRC | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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) | | | | VIII Campeonato Panamericano Escolar de Ajedrez Sub 13 Absoluto 2017 | San Salvador | ESA | 2017-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1514 | 4.50 | 8 | 0.64 | 40 | 25.60 | |
| | Aguirre Burgos, Flavio Jose | | | 1608 | ECU | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Shih Gould, Danny | | | 1652 | CRC | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Reyes, Jesus | | | 1292 | ECU | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Melendez, Manuel A. | | | 1401 | ESA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Wong Velis, Francisco Jesus | c | | 1482 | PER | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Quijano, Juan Marcos | | | 1527 | ESA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Perez Salazar, Armando | | | 1595 | ESA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Higarrero, Juan David | | | 1630 | COL | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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) | | |
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