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Individual Calculations February 2023 |
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| Villegas Martinez, David Total change: -10.40 | |   |
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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 |
| 1389 | 1101 | 1.00 | 6 | -0.26 | 40 | -10.40 | |
|  Fernandez Calzada, Juan A. | | | 1708 | ESP | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Ramirez Mari, Antonio | | | 1489 | ESP | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Shadrina, Eva | | | 1505 | EST | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Valdivia Khudiakova, Ekaterina | | | 1253 | ESP | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Sierra Del Sol, Sara | | | 1094 | ESP | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Martin Martinez, Fernando Rafael | | | 1285 | ESP | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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