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Individual Calculations February 2019 |
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| Van Halderen, Herman Total change: -6.60 | |   |
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| Tata Steel Chess Tournament 2018 - Tienkampen | Wijk aan Zee | NED | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 2048 | 1.50 | 3 | -0.33 | 20 | -6.60 | |
|  Galje, Hans | | | 2013 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Freer, Rob | | | 1913 | NED | 0.00 | 1 | -0.68 | 20 | -13.60 | |  Hazenberg, Frans | | | 1975 | NED | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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