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Individual Calculations February 2020 |
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| De Jong, Joop Total change: -12.00 | |   |
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| Tata Steel Dagvierkampen 2020 | Wijk aan Zee | NED | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 2014 | 1.50 | 3 | -0.30 | 40 | -12.00 | |
|  Rakhorst, Wim | | | 1940 | NED | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Freier, Werner, Dr. | | | 1882 | GER | 0.00 | 1 | -0.68 | 40 | -27.20 | |  Hummel, Joop | | | 2001 | NED | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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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