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Individual Calculations November 2023 |
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| Herrera Retana, Gerardo Total change: -21.00 | |   |
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| I Memorial Samuel Li Chen 2023 | San Jose | CRC | 2023-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1780 | 4.00 | 7 | -1.05 | 20 | -21.00 | |
|  Jimenez Valverde, Benjamin Isaac | | | 1380 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Bustos Arias, Darien | | | 1384 | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gonzalez Galvan, Juan Manuel | f | | 2193 | ESP | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Ramirez Camacho, Daniel | | | 1589 | CRC | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Vargas Sanchez, Julio | | | 1686 | CRC | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Valverde Herrera, Jose Daniel | | | 1359 | CRC | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Ruiz Alfaro, Darrel | | | 1511 | CRC | 0.00 | 1 | -0.83 | 20 | -16.60 | | | * 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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