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Individual Calculations February 2019 |
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| Van Alfen, Rene Total change: 13.60 | |   |
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| Tata Steel Chess Tournament 2018 - Weekendvierkampen | Wijk aan Zee | NED | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1826 | 1.50 | 2 | 0.68 | 20 | 13.60 | |
|  Heuts, John | | | 1867 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Waanders, Norbert | | | 1914 | NED | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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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