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Individual Calculations March 2010 |
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| De La Cruz, Jonathan Total change: -32.75 | |   |
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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 |
| 1864 | 2028 | 3.00 | 5 | -0.46 | 25 | -11.50 | |
|  Martinez, Jose | | | 1921 | PER | 1.00 | 1 | 0.35 | 25 | 8.75 | |  Jose, Guevara | | | 1950 | PER | 0.00 | 1 | -0.61 | 25 | -15.25 | | | Reynoso, Jorge | | | 1628 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Arteaga, Georgio | | | 1752 | PER | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Altamirano, Ricardo | | | 2067 | PER | 0.00 | 1 | -0.45 | 25 | -11.25 | | | * 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 |
| 2094 | 2028 | 2.00 | 7 | -0.85 | 25 | -21.25 | |
| | Carbajal, Augusto | | | 2212 | PER | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Castaneda, Carlos | | | 2192 | PER | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Neyra, Miguel | | | 2110 | PER | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Salazar, Carlos | | | 2173 | PER | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Palacios, Efrain | | | 2175 | PER | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Chong Chinchay, Eric Joel | | | 1753 | PER | 0.50 | 1 | -0.33 | 25 | -8.25 | | | Donayre, Bertin | | | 2040 | PER | 0.00 | 1 | -0.48 | 25 | -12.00 | |
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) | | |
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