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Individual Calculations March 2010 |
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| Mitma, Ivan Total change: 5.70 | |   |
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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 |
| 2102 | 2022 | 1.50 | 3 | 0.31 | 15 | 4.65 | |
|  Martinez, Jose | | | 1921 | PER | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Carbajal, Augusto | | | 2212 | PER | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Leon, Juan Carlos | | | 2172 | PER | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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 B | Lima | PER | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 2022 | 1.50 | 2 | 0.07 | 15 | 1.05 | |
| | Sanchez Zambrano, Vanessa | | | 1738 | PER | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Tapia Huerta, Joel | | | 1956 | PER | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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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