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Individual Calculations October 2023 |
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| Jibuti, Nata Total change: 30.60 | |   |
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| Maia Chess Open 2023 | Maia | POR | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1654 | 4.00 | 9 | 1.53 | 20 | 30.60 | |
|  Melo, Luisa Campos | | | 1254 * | POR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Li, Guohao | | | 2042 | CHN | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Perez Sousa, Maia | | | 1208 | ESP | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Van Laatum, Maarten | | | 2052 | NED | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Alvarez Pampillon, Antonio | | | 2022 | ESP | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Martinez Montes, Juan Manuel | | | 2078 | ESP | 1.00 | 1 | 0.93 | 20 | 18.60 | | | Rojickova, Monika | | wf | 2075 | SVK | 0.50 | 1 | 0.43 | 20 | 8.60 | | | Maloberti, David | | | 2044 | FRA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Verhasselt, Karsten | | | 2003 | BEL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | * 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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