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Individual Calculations March 2020 |
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| Mantilla Montero, Jafet Alexander Total change: -8.80 | |   |
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| XII Open IRT U-1600 Club Hermanos Rojas | Lima | PER | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1077 | 1234 | 2.50 | 4 | -0.32 | 40 | -12.80 | |
|  Amaya Retamozo, Carmen Rebeca | | | 1019 | PER | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Maravi Ceron, Ayme | | | 1106 | PER | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Casqui Lopez, Pamela Grace | | | 1057 | PER | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Delgado Romero, Julio Cesar Stefa | | | 1124 | PER | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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) | | | | XIII Open IRT U-1600 Club Hermanos Rojas. | Lima | PER | 2020-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1092 | 1246 | 1.50 | 2 | 0.10 | 40 | 4.00 | |
| | Francisco Suyo, David Elias | | | 1058 | PER | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Reyes Zavaleta, Sergio Gabriel | | | 1125 | PER | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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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