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Rapid:
Individual Calculations August 2023 |
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| Herrera Retana, Gerardo Total change: 10.20 | |   |
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| Copa de Ajedrez de Colegios Profesionales 2023 | San Jose | CRC | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1750 | 2.50 | 5 | 0.51 | 20 | 10.20 | |
|  Bejarano Sandoval, Allan | | | 1769 | CRC | 1.00 | 1 | 0.53 | 20 | 10.60 | |  Minero Pineda, Boris | | | 2030 | CRC | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Bonilla Sequeira, Pablo | | | 2026 | CRC | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Jimenez Esquivel, Greivin | | | 1925 | CRC | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Ramos Rodriguez, Daniel | | | 1350 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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