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Individual Calculations February 2023 |
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| Tissink, Arjan Total change: -4.40 | |   |
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| Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 2008 | 1.50 | 3 | -0.22 | 20 | -4.40 | |
|  Hartmann, Thomas | | | 1972 | GER | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Nagel, Yvette | | wf | 1952 | NED | 0.00 | 1 | -0.58 | 20 | -11.60 | |  De Zoeten, Cato | | | 1946 | NED | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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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