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Individual Calculations February 2023 |
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| Wierenga, Jael Total change: 17.60 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1762 | 3.50 | 8 | 0.44 | 40 | 17.60 | |
|  Bakija, Alan | | | 1898 | NED | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Konnen, Timo | | | 1865 | NED | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Grashuis, Aldert-Jan | | | 1833 | NED | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Kastelijn, Twan | | | 1894 | NED | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Stapersma, Dick | | | 1764 | NED | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Abma, Klaas | | | 1794 | NED | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Mohtaat, Homayoun | | | 1869 | AFG | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Pouw, Marcel | | | 1871 | NED | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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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