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Individual Calculations January 2019 |
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| Land, Marc Total change: 10.60 | |   |
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| Chess Festival Groningen 2018 Vierkampen | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1775 | 1768 | 2.00 | 3 | 0.53 | 20 | 10.60 | |
|  Waardenburg, Lisanne | | | 1778 | NED | 0.50 | 1 | 0.01 | 20 | 0.20 | |  Van Der Graaf, Jaap | | | 1739 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Rookus, Sjoerd | | | 1809 | NED | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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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