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Individual Calculations February 2023 |
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| Perals Martinez, Mario Total change: -5.60 | |   |
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| Roquetas Chess Festival 2023 - X International Open U2150 | Roquetas de Mar (Almeria) | ESP | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1288 | 1.50 | 5 | -0.14 | 40 | -5.60 | |
|  Ibanez Koblash, Daniel | | | 1647 | ESP | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Fernandez Calzada, Juan A. | | | 1708 | ESP | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Lopez Soler, Jose Antonio | | | 1137 | ESP | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Shadrina, Eva | | | 1505 | EST | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Valdivia Khudiakova, Ekaterina | | | 1253 | ESP | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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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