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Individual Calculations July 2010 |
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| Parra, Brayan Total change: 19.25 | |   |
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| Festival Escolar Sub13 Absoluto 2010 | Yumbo | COL | 2010-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1807 | 1.00 | 2 | 0.34 | 25 | 8.50 | |
|  Ruiz C, Joshua D | f | | 2063 | COL | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Zuleta, Juan Carlos | | | 1825 | COL | 1.00 | 1 | 0.53 | 25 | 13.25 | |
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) | | | | IRT Deptal Mayores Absoluto Valle 2010 | Cali | COL | 2010-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 1807 | 0.00 | 3 | -0.30 | 25 | -7.50 | |
| | Mateus, Alejandro | | | 2207 * | COL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Renteria, Rolando | | | 2207 * | COL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Herrera, Juan Sebastian | | | 2122 | COL | 0.00 | 1 | -0.14 | 25 | -3.50 | | | * 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) | | | | Campeonato Panamericano Sub-20 Absoluto 2010 | Cali | COL | 2010-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1807 | 2.00 | 5 | 0.73 | 25 | 18.25 | |
| | Herrera, Juan Sebastian | | | 2122 | COL | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Ceron, Edgar Ivan | | | 2011 | COL | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Chavarro, Jeffry | | | 2035 | COL | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Zuleta, Juan Esteban | | | 1916 | COL | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Ospina, Juan Pablo | | | 1934 | COL | 1.00 | 1 | 0.67 | 25 | 16.75 | |
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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