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Individual Calculations September 2018 |
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| Gutierrez Ingunza, Junior Joel Total change: 0.40 | |   |
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| I Open IRT U-2200 Club Hermanos Rojas 2018 | Lima | PER | 2018-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1562 | 0.50 | 2 | 0.02 | 20 | 0.40 | |
|  Ccerhuayo Escobedo, Mels Leopold | | | 1962 * | PER | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Arauco Celestino, Arianna Sofia | | wf | 1635 | PER | 0.00 | 1 | -0.40 | 20 | -8.00 | | | * 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) | | |
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