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Individual Calculations February 2023 |
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| Bakija, Alan Total change: 89.60 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1898 | 6.50 | 9 | 1.73 | 40 | 69.20 | |
|  Wierenga, Jael | | | 1762 | NED | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Hoekstra, Carl | | | 1798 | NED | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Vlieger, Olaf | | | 1845 | NED | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Jelic, Bruno | | | 2039 | NED | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Alhejab, Meshal | | | 1857 | KUW | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Boeren, Jurriaan | | | 1923 | NED | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Arnold, Rhys | | | 1912 | NED | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Gortemaker, Lucas | | | 1975 | NED | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Goudriaan, Rafael | | | 1771 | 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 weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1897 | 1.50 | 2 | 0.51 | 40 | 20.40 | |
| | Schurins, Thomas | | | 1856 | BEL | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Overweg, Danny | | | 1948 | NED | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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) | | |
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