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Individual Calculations September 2017 |
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| Sinti Pio, Jesus Moises Total change: -24.40 | |   |
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| IRT Circulo Peruano de Ajedrez | Lima | PER | 2017-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1380 | 0.50 | 3 | -0.28 | 40 | -11.20 | |
|  Varillas Jimenez, Ivan | | | 1582 | PER | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Hepler Ramirez , Narayana | | | 1730 | PER | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Bravo Mallco, Kate Azumi | | | 1433 | PER | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | | | Campeonato Metropolitano Escolar Grupo B Sub 13 Absoluto | Lima | PER | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1380 | 1.50 | 4 | -0.33 | 40 | -13.20 | |
| | Suarez Aybar, Miguel Angel | | | 1640 | PER | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Vasquez Vargas, Henry Richard | | | 1565 | PER | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Wisky Perez, Alexander Van | | | 1282 | PER | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Zarate Manchay, Rosa Illari | | | 1178 | PER | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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