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Individual Calculations March 2010 |
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| Laura, Americo Total change: -9.00 | |   |
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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 |
| 2194 | 1897 | 0.00 | 1 | -0.15 | 15 | -2.25 | |
|  Padilla, Hugo | | | 2194 | PER | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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 |
| 2120 | 1897 | 0.00 | 2 | -0.45 | 15 | -6.75 | |
|  Salazar, Carlos | | | 2173 | PER | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Altamirano, Ricardo | | | 2067 | PER | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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