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Individual Calculations January 2018 |
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| Van De Poel, Taco Total change: 2.00 | |   |
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| Chess Festival Groningen 2017 - Vierkampen | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1896 | 1.50 | 3 | 0.10 | 20 | 2.00 | |
|  Meijer, Daniel | | | 1917 | NED | 0.50 | 1 | 0.03 | 20 | 0.60 | |  Bishoen, Bob | | | 1890 | NED | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Ebels, Theo | | | 1951 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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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