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Individual Calculations March 2010 |
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| Marigorda, Wilmer 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 |
| 2039 | 1763 | 0.50 | 4 | -0.18 | 15 | -2.70 | |
|  Mamani, Joan Franco | | | 2093 | PER | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Cruz Romani, Juan | | | 2048 | PER | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Chiarot, Cesar | | | 2066 | PER | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Jose, Guevara | | | 1950 | PER | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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 |
| 1797 | 1763 | 0.50 | 2 | -0.42 | 15 | -6.30 | |
| | Reynoso, Jorge | | | 1621 | PER | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Guzman, Percy | | | 1972 | PER | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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