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Individual Calculations March 2010 |
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| Sala, Harold Total change: -10.25 | |   |
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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 |
| 1752 | 1959 | 0.50 | 1 | -0.27 | 25 | -6.75 | |
|  Arteaga, Georgio | | | 1752 | PER | 0.50 | 1 | -0.27 | 25 | -6.75 | |
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 |
| 1777 | 1959 | 2.00 | 3 | -0.14 | 25 | -3.50 | |
|  Sanchez Zambrano, Vanessa | | | 1738 | PER | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Guzman, Percy | | | 1972 | PER | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Reynoso, Jorge | | | 1621 | PER | 1.00 | 1 | 0.12 | 25 | 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) | | |
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