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Individual Calculations February 2018 |
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| De Jong, Joop Total change: -27.20 | |   |
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| Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2071 | 0.50 | 2 | -0.68 | 40 | -27.20 | |
|  Kouwenhoven, Derk | | | 2045 | NED | 0.00 | 1 | -0.54 | 40 | -21.60 | |  Tissink, Arjan | | | 1969 | NED | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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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