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Individual Calculations January 2019 |
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| Kok, Erwin Total change: -22.40 | |   |
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| Chess Festival Groningen 2018 Vierkampen | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1562 | 1608 | 0.00 | 1 | -0.56 | 40 | -22.40 | |
|  Van De Poel, Wyona | | | 1562 | NED | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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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