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Individual Calculations November 2023 |
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| Rodriguez Arrieta, Maria Elena Total change: 7.20 | |   |
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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 |
| 1677 | 1868 | 4.50 | 6 | 0.36 | 20 | 7.20 | |
|  Salazar Delgado, Aylin Naomi | | | 1358 | CRC | 1.00 | 1 | 0.04 | 20 | 0.80 | |  Cabezas Solano, David Alejandro | f | | 2162 | CRC | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Gutierrez Soto, Gilberth | | | 1648 | CRC | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Sandi Quiros, Junior Andrey | | | 1505 | CRC | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Matarrita Sequeira, Ricardo | | | 1468 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Solis L., Efren A. | c | | 1919 | CRC | 1.00 | 1 | 0.57 | 20 | 11.40 | | | * 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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