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Individual Calculations December 2018 |
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| Wahba, David George Total change: -61.20 | |   |
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| World Cadet Chess Championship U-08 Open 2018 | Santiago de Compostela | ESP | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1066 | 1356 | 1.00 | 3 | -1.53 | 40 | -61.20 | |
|  Sanviru, G H A Dulnith | | | 1032 | SRI | 0.00 | 1 | -0.87 | 40 | -34.80 | |  Vasilkov, Nikolay | | | 1081 | RUS | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Dordevic, Tom | | | 1086 | GER | 0.00 | 1 | -0.83 | 40 | -33.20 | |
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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