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Individual Calculations April 2020 |
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| Barrantes Granados, Ian Daniel Total change: 24.40 | |   |
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| Campeonato Nacional Categorias Menores Impares U13 Open | San Ramon | CRC | 2020-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1177 | 1137 | 2.50 | 4 | 0.61 | 40 | 24.40 | |
|  Barboza Viquez, Martin Eduardo | | | 1515 | CRC | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Miranda Villalta, Jose Pablo | | | 1071 | CRC | 1.00 | 1 | 0.41 | 40 | 16.40 | |  Urbano Murillo, Antonio | | | 1035 | CRC | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Ulate Climaco, Kevin Mauricio | | | 1087 | CRC | 1.00 | 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) | | |
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