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Individual Calculations January 2011 |
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| Vacca, Leonardo Total change: 6.90 | |   |
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| IRT Open Ciudad de Cartago Alcaldia y Empresas Publicas | Cartago | COL | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2043 | 3.00 | 5 | 0.74 | 15 | 11.10 | |
|  Ocampo, Derly Gineth | | | 1867 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Panesso Rivera, Henry | m | | 2313 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Palomino, Dario | | | 1875 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Vittorino, Carlo Giovanni | f | | 2306 | COL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Cadena M, Gustavo Adolfo | | | 2072 | 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) | | | | Torneo Nacional IRT Abierto de la Raza Menor 2100 Elo | Medellin | COL | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2043 | 1.00 | 2 | 0.13 | 15 | 1.95 | |
| | Zabala, Fidel | | | 2092 | COL | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Zapata, Juan Carlos | | | 2088 | COL | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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 Continental Absoluto 2010 | Cali | COL | 2010-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 2043 | 2.50 | 8 | -0.41 | 15 | -6.15 | |
| | Zuluaga, Cesar | f | | 2316 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Renteria, Rolando | | | 2201 | COL | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Orozco, Lina Yomayra | | wc | 2137 | COL | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Condori, Edwin | | | 2171 | PER | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Mateus, Alejandro | | | 2274 | COL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Prieto, Ernesto | | | 2102 | COL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Lopez Idarraga, Daniel Eduardo | | | 1997 | COL | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Ospina Loaiza, Jhonny | | | 2002 | COL | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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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