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Individual Calculations April 2017 |
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| Alza Rios, Jose Karlo Total change: -166.00 | |   |
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| Campeonato Metropolitano Juvenil Grupo A Sub 12 Absoluto | Lima | PER | 2017-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1146 | 1519 | 1.00 | 3 | -1.71 | 40 | -68.40 | |
|  Huaripata Olblitas, Josue Alejan | | | 1199 | PER | 0.00 | 1 | -0.87 | 40 | -34.80 | |  Yupanqui Barrera, Carlos Enrique | | | 1119 * | PER | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Nieto Fernandez, Cesar | | | 1119 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | Campeonato Metropolitano Juvenil Grupo A Sub 14 Absoluto | Lima | PER | 2017-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1577 | 1519 | 0.50 | 2 | -0.40 | 40 | -16.00 | |
| | Rojas, Steven | | | 1857 | PER | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Benavides Conza, Diego Angelo | | | 1296 | PER | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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 Nacional Juvenil 2017 Sub 12 Absoluto | Lima | PER | 2017-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1216 | 1519 | 0.50 | 3 | -2.04 | 40 | -81.60 | |
| | Pablo Vertiz, Henry Yamil | | | 1133 | PER | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Orrego Cumpa, Rodrigo Aaron | | | 1286 | PER | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Puma Vilca, Henry | | | 1230 | PER | 0.50 | 1 | -0.34 | 40 | -13.60 | |
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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