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Individual Calculations April 2009 |
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| Ceron, Edgar Ivan Total change: 3.45 | |   |
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| IRT X Open Feria de Cali Sub2100 | Cali | COL | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1978 | 1.50 | 4 | -0.30 | 15 | -4.50 | |
|  Garcia, John Jaime | | | 2071 | COL | 0.00 | 1 | -0.37 | 15 | -5.55 | |  Jaramillo, Carlos Orlando | | | 1940 | COL | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Chavarro, Jeffry | | | 2055 | COL | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Caicedo, Jaime Andres | | | 1986 | COL | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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 Departamental Absoluto | Yumbo | COL | 2009-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2003 | 2.00 | 5 | 0.53 | 15 | 7.95 | |
| | Renteria, Rolando | | | 2209 | COL | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Rios, Cristhian Camilo | f | | 2176 | COL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Plazas, Alfonso | | | 2025 | COL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Mateus, Alejandro | | | 2240 | COL | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Mateus, Martha | | | 2157 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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