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Individual Calculations September 2015 |
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| Ulloa, Ruben Guillermo Total change: -29.00 | |   |
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| Campeonato Panamericano U20 Absoluto El Salvador 2015 | San Salvador | ESA | 2015-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 2016 | 4.00 | 8 | -1.77 | 20 | -35.40 | |
|  Jimenez Garcia, Emmanuel | f | | 2210 | CRC | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Santos, Oliver | c | | 1690 | ESA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Rodriguez, Wilfredo | | | 1631 | ESA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Melara, Moises | | | 1750 | ESA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Mendez, Alan Steven | | | 1744 | ESA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Hernandez, Diego | f | | 1950 | ESA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Valencia, Oscar | | | 1728 | ESA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Ortiz Perez, Carlos | | | 1901 | GUA | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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) | | | | V Campeonato Centroamericano de Ajedrez por Equipos | Managua | NCA | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2016 | 1.00 | 2 | 0.32 | 20 | 6.40 | |
| | Ramirez Arroyo, Joan Emmanuel | | | 2045 | CRC | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Lorenzana, Wilson Estuardo | m | | 2233 | GUA | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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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