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Individual Calculations March 2010 |
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| Cruz Romani, Juan Total change: -7.50 | |   |
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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 |
| 1923 | 2048 | 3.00 | 5 | -0.20 | 15 | -3.00 | |
|  Ascoy Contreras, Martin | | | 2275 | PER | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Marigorda, Wilmer | | | 1763 | PER | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Martinez, Anthony | | | 1648 * | PER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Llacsahuanga, Diego | | | 1976 | PER | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Navarro, Edmundo | | | 1953 | PER | 1.00 | 1 | 0.37 | 15 | 5.55 | | | * 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 |
| 2140 | 2048 | 2.00 | 6 | -0.30 | 15 | -4.50 | |
| | Quinones, Cesar | f | | 2306 | PER | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Henostroza, Cesar | | | 2189 | PER | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Mamani, Joan Franco | | | 2093 | PER | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Donayre, Bertin | | | 2040 | PER | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Enriquez, Martin | | | 2243 | PER | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Bustamante, Godofredo | | | 1966 | PER | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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