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Individual Calculations January 2024 |
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| Bejarano Tames, Michael Andres Total change: -11.20 | |   |
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| Torneo Memorial Samuel Li Chen Infantil 2023 | Belen de Heredia | CRC | 2023-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1243 | 1163 | 0.50 | 2 | -0.28 | 40 | -11.20 | |
|  Alvarado Machado, Bryan Alberto | | | 1272 | CRC | 0.00 | 1 | -0.35 | 40 | -14.00 | |  Mayorga Araya, Larissa | | | 1214 | CRC | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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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