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Individual Calculations February 2021 |
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| Ruiz Grau, David Total change: -28.60 | |   |
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| Torneo de Navidad Ajedrez Tajamar 2020 | Madrid | ESP | 2020-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1351 | 1334 | 0.00 | 3 | -1.43 | 20 | -28.60 | |
|  Portero Rubio, Martin | | | 1492 | ESP | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Bartolome Benito, Alejandro | | | 1181 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Giron Herranz, Ivan | | | 1380 | ESP | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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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