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Individual Calculations January 2020 |
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| Serrano Arrieta, Cristian Total change: 12.00 | |   |
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| Festival Nacional Escolar Ajedrez Clasico Cat Sub15 Absoluto | Bogota | COL | 2019-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1385 | 1222 | 1.50 | 4 | 0.30 | 40 | 12.00 | |
|  Vanegas, Mateo De Jesus | | | 1474 | COL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Velasquez, Joan Sebastian | | | 1390 | COL | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Rodriguez, Arnold Stiven | | | 1172 | COL | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Molina Ballesteros, Juan Sebastia | | | 1504 | COL | 0.00 | 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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