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Individual Calculations August 2019 |
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| Bonilla Ortiz, Johel Sebastian Total change: 17.20 | |   |
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| JDN U20 Equipos Absoluto 2019 | Ciudad Colon | CRC | 2019-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1650 | 1331 | 1.00 | 4 | 0.43 | 40 | 17.20 | |
|  Solano Cordero, Jorge | | | 1731 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Chaves Williams, Jose Andres | | | 1536 | CRC | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Torres Romero, Cristhian | | | 1603 | CRC | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Rojas Cisneros, Kevin | | | 1731 * | CRC | 0.00 | 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) | | |
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