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Individual Calculations February 2023 |
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| Ritzerveld, Noah Total change: 219.20 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1515 | 6.00 | 9 | 4.93 | 40 | 197.20 | |
|  Alhejab, Meshal | | | 1857 | KUW | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Schwenke, Stefan | | | 1817 | GER | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Hoekstra, Carl | | | 1798 | NED | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Zecha, Oscar | | | 1905 | NED | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Van Der Lubben, Arno | | | 1899 | NED | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Bruggink, Tycho | | | 1865 | NED | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Ritter, Uwe | | | 1855 | GER | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Jelic, Bruno | | | 2039 | NED | 1.00 | 1 | 0.97 | 40 | 38.80 | | | Broersma, Sven | | | 1757 | NED | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | | | Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1515 | 1.00 | 2 | 0.55 | 40 | 22.00 | |
| | Van Zutphen, Amy | | wc | 1751 | AHO | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Snoeck, Sarah | | | 1708 | BEL | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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