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Individual Calculations February 2023 |
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| Verweij, David Total change: 11.60 | |   |
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| Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 1891 | 2.00 | 3 | 0.58 | 20 | 11.60 | |
|  Middelhoven, Huib | | | 1967 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Meyles, Willem | | | 1813 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | |  Van Wijk, Peter | | | 1955 | 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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