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Individual Calculations February 2023 |
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| Wolferink, Frans Total change: -21.60 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 2069 | 1.50 | 4 | -1.08 | 20 | -21.60 | |
|  Psaila, Clarence | f | | 1932 | MLT | 0.00 | 1 | -0.68 | 20 | -13.60 | |  Van Der Leij, Arjan | | | 2040 | NED | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Niemeijer, Leon | | | 1910 | NED | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Weclawski, Dorota | | wf | 1961 | GER | 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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