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Individual Calculations February 2023 |
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| Goudriaan, Rafael Total change: 246.00 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1771 | 6.50 | 9 | 3.00 | 40 | 120.00 | |
|  Zecha, Oscar | | | 1905 | NED | 1.00 | 1 | 0.68 | 40 | 27.20 | |  Jelic, Bruno | | | 2039 | NED | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Van Der Lubben, Arno | | | 1899 | NED | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Bruening, Martin | | | 1688 | GER | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Qatina, Waheeb | | | 1628 | NED | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Mohtaat, Homayoun | | | 1869 | AFG | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Bruggink, Tycho | | | 1865 | NED | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Arnold, Rhys | | | 1912 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Bakija, Alan | | | 1898 | NED | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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 |
| 1847 | 1787 | 6.50 | 8 | 3.15 | 40 | 126.00 | |
| | Wagenaar, Harm Theo | | | 1862 | NED | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Homburg, Frank | | | 1856 | NED | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Geene, Joris | | | 1928 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Freer, Rob | | | 1797 | NED | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Hendrikse, Ad | | | 1867 | NED | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Schoenmakers, Nico | | | 1825 | NED | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Vriens, Huib | | | 1722 | NED | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Van Oudvorst, Bert | | | 1920 | NED | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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