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Individual Calculations February 2023 |
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| Van Ginkel, Henk Total change: 13.80 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1827 | 3.00 | 5 | -0.15 | 20 | -3.00 | |
|  Reintke, Erwin | | | 1695 | NED | 0.50 | 1 | -0.18 | 20 | -3.60 | |  Van Dijk, Ron | | | 1752 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Van Den Heuvel, Annelies | | | 1668 | NED | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Dijkhuizen, Klaas | | | 1865 | NED | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Houtsma, Jouke | | | 1667 | NED | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1816 | 5.00 | 9 | 0.84 | 20 | 16.80 | |
| | Ten Ham, John | | | 1888 | NED | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Schilthuizen, Sander | | | 1889 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Eijgelaar, Jeroen | | | 1862 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Van Pinxteren, Gerard | | | 1854 | NED | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Kubbenga, Michael | | | 1912 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Van Dorsten, Jon | | | 1791 | NED | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Beukema, Constantijn | | | 1685 | BEL | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Snijders, Take | | | 1779 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Dekker, Jop | | | 1930 | NED | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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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