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Individual Calculations July 2023 |
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| Bollaart, Jeroen Total change: -13.40 | |   |
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| HSG Open 2023 - Open A | Hilversum | NED | 2023-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1937 | 2.00 | 6 | -0.67 | 20 | -13.40 | |
|  Shakhverdian, William | | | 2166 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Westerhof, Fleur | | | 1801 | NED | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Cornelisse, Sam | | | 2079 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Van Coppenolle, Lander | | | 1859 | BEL | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Galje, Hans | | | 1974 | NED | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Van Wijk, Peter | | | 2001 | NED | 1.00 | 1 | 0.59 | 20 | 11.80 | |
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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