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Individual Calculations August 2019 |
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| Tapia Alvarez, Alejandro Total change: 19.80 | |   |
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| JDN U20 Equipos Absoluto 2019 | Ciudad Colon | CRC | 2019-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1430 | 2.00 | 4 | 0.99 | 20 | 19.80 | |
|  Calvo Campos, Adrian | | | 1684 | CRC | 0.50 | 1 | 0.31 | 20 | 6.20 | |  Ramirez Madrid, Gerardo Alfonso | f | | 1830 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sandi Castro, Allan | | | 1388 | CRC | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Avendano Porras, Rodrigo | | | 1695 | CRC | 0.50 | 1 | 0.32 | 20 | 6.40 | | | * 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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