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Individual Calculations March 2010 |
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| Martinez, Jose Total change: -4.25 | |   |
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| I Open IRT Circulo Peruano de Ajedrez | Lima | PER | 2010-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1921 | 3.00 | 5 | -0.13 | 25 | -3.25 | |
|  De La Cruz, Jonathan | | | 2028 | PER | 0.00 | 1 | -0.35 | 25 | -8.75 | |  Mitma, Ivan | | | 2022 | PER | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Talavera, Ana | | | 1653 | PER | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Ramirez Bolivar, Cesar M | | | 1521 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Huamani, Jeffry | | | 1797 | PER | 1.00 | 1 | 0.33 | 25 | 8.25 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2088 | 1921 | 2.00 | 7 | -0.04 | 25 | -1.00 | |
| | Henostroza, Cesar | | | 2189 | PER | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Mamani, Joan Franco | | | 2093 | PER | 1.00 | 1 | 0.73 | 25 | 18.25 | | | Salazar, Carlos | | | 2173 | PER | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Retamozo, Henry | | | 2213 | PER | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Moreno, William | | | 2150 | PER | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Estrada, Santiago | | | 2046 | PER | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Chong Chinchay, Eric Joel | | | 1753 | PER | 0.50 | 1 | -0.22 | 25 | -5.50 | |
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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