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Individual Calculations October 2008 |
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| Arenas, David Total change: 3.60 | |   |
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| IRT Open Feria de las Flores | Medellin | COL | 2008-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2319 | 7.00 | 9 | 1.03 | 15 | 15.45 | |
|  Zapata, Alexander | | | 2020 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Franco, William | | | 2139 | COL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | De Arco, Luis Carlos | | | 2187 | COL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Orozco, Lina Yomayra | | | 2072 | COL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Jimenez, Jose Mauricio | | | 2202 | COL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Barrientos, Sergio E | m | | 2418 | COL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Alvarez, Amaury | | | 2117 | COL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Prieto, Ernesto | | | 2156 | COL | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Marin, Sebastian | | | 2398 | COL | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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) | | | | IRT GP Jamanudi Elite | Jamundi | COL | 2008-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2319 | 4.00 | 6 | -0.07 | 15 | -1.05 | |
| | Munoz, Julian Andres | | | 2181 | COL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Sanchez Maya, Simon | | | 2221 | COL | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Rios, Cristhian Camilo | f | | 2133 | COL | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Palao, Maricela | | wm | 2097 | COL | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Becerra, Juan David | | | 2114 | COL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Clavijo, Jorge Mario | m | | 2341 | COL | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | Semifinal Olimpiada Absoluto Grupo B | Cali | COL | 2008-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2305 | 2319 | 4.00 | 7 | 0.40 | 15 | 6.00 | |
| | Mateus, Alejandro | | | 2191 | COL | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Ramirez, Carlos | f | | 2258 | COL | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Becerra, Juan David | | | 2114 | COL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Barrientos, Sergio E | m | | 2418 | COL | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Castro, Oscar H | m | | 2392 | COL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Uribe, Mauricio | f | | 2414 | COL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Rios, Mauricio | f | | 2349 | COL | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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) | | | | Final Olimpiada Masculino | Cali | COL | 2008-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2376 | 2319 | 1.00 | 5 | -1.12 | 15 | -16.80 | |
| | Escobar Forero, Alder | m | | 2468 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Castro, Oscar H | m | | 2392 | COL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Ossa, Orlando | | | 2264 | COL | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Uribe, Mauricio | f | | 2414 | COL | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Clavijo, Jorge Mario | m | | 2341 | COL | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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