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Individual Calculations February 2023 |
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| Vriens, Huib Total change: -38.80 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1722 | 1.00 | 4 | -0.54 | 20 | -10.80 | |
|  Jerphanion, Lucien | | | 1821 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | |  Waardenburg, Marlinde | | | 1836 | NED | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Spears, Russell | | | 1783 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Voermans, Adri | | | 1781 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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 |
| 1856 | 1722 | 1.50 | 9 | -1.40 | 20 | -28.00 | |
| | Homburg, Frank | | | 1856 | NED | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Geene, Joris | | | 1928 | NED | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Freer, Rob | | | 1797 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Hendrikse, Ad | | | 1867 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | | | De Heer, Henk | | | 1863 | NED | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Schoenmakers, Nico | | | 1825 | NED | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Van Oudvorst, Bert | | | 1920 | NED | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Goudriaan, Rafael | | | 1787 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Wagenaar, Harm Theo | | | 1862 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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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