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Individual Calculations January 2019 |
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| Spears, Russell Total change: -29.60 | |   |
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| Chess Festival Groningen 2018 Vierkampen | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1846 | 0.50 | 3 | -0.74 | 40 | -29.60 | |
|  Meijer, Daniel | | | 1936 | NED | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Van De Poel, Taco | | | 1890 | NED | 0.00 | 1 | -0.44 | 40 | -17.60 | |  Bollaart, Jeroen | | | 1903 | NED | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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