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Individual Calculations June 2023 |
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| Koornstra, Robbert-Jan Total change: 6.00 | |   |
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| 15th BPB Limburg Open 2023 Group B | Maastricht | NED | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1775 | 2.00 | 5 | 0.30 | 20 | 6.00 | |
|  Schuurmans, Han | | | 1847 | NED | 1.00 | 1 | 0.60 | 20 | 12.00 | |  Van Der Graaf, Andre | | | 1911 | NED | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Bauer, Jelle | | | 1897 | NED | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Cromsigt, Jeroen | | | 1926 | NED | 0.00 | 1 | -0.30 | 20 | -6.00 | | | De Rycke, Timothy | | | 1887 | BEL | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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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