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Individual Calculations March 2010 |
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| Bustamante, Godofredo Total change: -28.65 | |   |
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| I Festival Nacional del Elo FIDE Categoria U 2000 | Lima | PER | 2009-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1946 | 2.00 | 6 | -1.06 | 15 | -15.90 | |
|  Navarro, Edmundo | | | 1953 | PER | 0.00 | 1 | -0.49 | 15 | -7.35 | |  Flores, Alexander | | | 1963 | PER | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Zuniga, Ivan | | | 1939 | PER | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Inga Valenzuela, Jhon | | | 1929 | PER | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Jose, Guevara | | | 1950 | PER | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Figueroa, Oswaldo | | | 1899 | PER | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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) | | | | I Open IRT Circulo Peruano de Ajedrez | Lima | PER | 2010-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 1966 | 0.50 | 2 | 0.17 | 15 | 2.55 | |
| | Ascoy Contreras, Martin | | | 2275 | PER | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Retamozo, Henry | | | 2213 | PER | 0.50 | 1 | 0.31 | 15 | 4.65 | |
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) | | | | III Open IRT Jose Marca In Memoriam Premier | Lima | PER | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 1966 | 1.00 | 6 | -1.02 | 15 | -15.30 | |
| | Padilla, Hugo | | | 2194 | PER | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Saavedra, Felix | | | 2095 | PER | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Calizaya, Marco | | | 2125 | PER | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Palacios, Efrain | | | 2175 | PER | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Principe, Alexander | f | | 1917 | PER | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Cruz Romani, Juan | | | 2048 | PER | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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