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Individual Calculations August 2019 |
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| Castro Ulloa, Rolando Total change: -6.40 | |   |
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| JDN U20 Equipos Absoluto 2019 | Ciudad Colon | CRC | 2019-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1673 | 1.00 | 2 | -0.32 | 20 | -6.40 | |
|  Porras Chavarria, Michael | | | 1456 | CRC | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Ramirez Marchena, Carlos Andres | | | 1643 | CRC | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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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