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Individual Calculations April 2020 |
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| Ruiz Alfaro, Darrel Total change: 56.80 | |   |
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| Campeonato Nacional Categorias Menores Impares U15 Open | San Ramon | CRC | 2020-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1380 | 1379 | 4.50 | 6 | 1.42 | 40 | 56.80 | |
|  Vindas Vega, Adriel | | | 1250 | CRC | 1.00 | 1 | 0.33 | 40 | 13.20 | |  Redondo Washington, Josimar | | | 1152 | CRC | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Vargas Solano, Aaron | | | 1291 | CRC | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Mora Chavarria, Sebastian | | | 1452 | CRC | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Guevara Cornejo, Gabriel | | | 1370 | CRC | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Nunez Okubo, Isao | c | | 1765 | CRC | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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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