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Individual Calculations October 2021 |
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| Zhang, Xin An Total change: 6.80 | |   |
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| Guimaraes Chess Open 2021 (PCT) | Guimaraes | POR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1236 | 1.00 | 7 | 0.17 | 40 | 6.80 | |
|  Otero Nogueira, Brais | | | 1636 * | ESP | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Barrento, Jorge Maria Lopes | | | 1636 * | POR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Roquero Redondo, Miguel | | | 1585 | ESP | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Tacuchian, Marcelo Oliveira | | | 1406 | POR | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Abdelkader Garstka, Adam | | | 1636 * | ESP | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Soares, Sara Joana De Moura Pe | | | 1566 | POR | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Tevar Sanz, Gonzalo | | | 1636 * | ESP | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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