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Individual Calculations September 2009 |
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| Castaneda, Jhon David Total change: -0.45 | |   |
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| IRT Departamental de Antioquia Absoluto | Medellin | COL | 2009-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2132 | 3.00 | 7 | 0.23 | 15 | 3.45 | |
|  Arenas, David | m | | 2266 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Aponte Castillo, Jose Ernesto | | | 2160 | COL | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Vargas, Arteaga Alexis | | | 2201 | COL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Arango, Andres Mauricio | | | 2146 | COL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Clavijo, Jorge Mario | m | | 2364 | COL | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Vittorino, Carlo | f | | 2330 | COL | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Martinez, Mauricio | | | 2011 | COL | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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 GP Feria de las Flores ELITE | Medellin | COL | 2009-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2210 | 2132 | 2.50 | 7 | -0.26 | 15 | -3.90 | |
| | Uribe Arteaga, Daniel | | | 2294 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Narvaez, Zamir | | | 2204 | COL | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Vargas, Arteaga Alexis | | | 2201 | COL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Arenas, David | m | | 2266 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Castano, Jhon Edison | | | 2045 | COL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Guerra Mojena, Leandro | | | 2266 | CUB | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Chirivi C, Yenny Astrid | | wm | 2195 | COL | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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