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Individual Calculations March 2010 |
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| Principe, Alexander Total change: 30.00 | |   |
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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 |
| 2186 | 1917 | 2.00 | 4 | 1.30 | 15 | 19.50 | |
|  Contreras, Jose | | | 2209 | PER | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Retamozo, Henry | | | 2213 | PER | 0.50 | 1 | 0.35 | 15 | 5.25 | |  Carbajal, Augusto | | | 2212 | PER | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Neyra, Miguel | | | 2110 | PER | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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 |
| 2083 | 1917 | 3.00 | 8 | 0.70 | 15 | 10.50 | |
| | Palacios, Efrain | | | 2175 | PER | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Flores Cubas, Miguel | | | 2231 | PER | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Donayre, Bertin | | | 2040 | PER | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Bustamante, Godofredo | | | 1966 | PER | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Neyra, Miguel | | | 2110 | PER | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Chumpitaz, Ann | | wf | 2021 | PER | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Angulo, Alberto | | | 2068 | PER | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Cuellar, Diego | f | | 2055 | PER | 0.00 | 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) | | |
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