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Individual Calculations February 2023 |
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| Piet, Joeri Total change: 4.00 | |   |
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| Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 2015 | 2.00 | 3 | 0.20 | 20 | 4.00 | |
|  Houweling, Bert | | | 1976 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Arnold, Rhys | | | 1907 | NED | 0.00 | 1 | -0.65 | 20 | -13.00 | |  Dudink, Bas | | | 1940 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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