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Individual Calculations March 2010 |
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| Estrada, Santiago Total change: 14.85 | |   |
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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 |
| 2118 | 2046 | 3.50 | 6 | 1.07 | 15 | 16.05 | |
|  Vera Siguenas, Deivy | | | 2295 | PER | 0.00 | 1 | -0.19 | 15 | -2.85 | |  Orbezo Rosales, Ximena Lucia | | | 1814 | PER | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Chumpitaz, Ann | | wf | 2021 | PER | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Contreras, Jose | | | 2209 | PER | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Mamani, Joan Franco | | | 2093 | PER | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Ascoy Contreras, Martin | | | 2275 | PER | 0.50 | 1 | 0.29 | 15 | 4.35 | |
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) | | | | III Open IRT Jose Marca In Memoriam Premier | Lima | PER | 2010-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2046 | 2.50 | 7 | -0.08 | 15 | -1.20 | |
| | Vera Siguenas, Deivy | | | 2295 | PER | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Enriquez, Martin | | | 2243 | PER | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Leon, Juan Carlos | | | 2172 | PER | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Flores Cubas, Miguel | | | 2231 | PER | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Neyra, Miguel | | | 2110 | PER | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Martinez, Jose | | | 1921 | PER | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Angulo, Alberto | | | 2068 | PER | 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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