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Individual Calculations February 2023 |
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| Roose, Alex Total change: -57.80 | |   |
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| Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1896 | 1.00 | 3 | -0.39 | 20 | -7.80 | |
|  Kelder, Sjoerd | | | 1977 | NED | 0.00 | 1 | -0.39 | 20 | -7.80 | |  Zhu, Chenwu | | | 1984 | NED | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Kools, Jasper | | | 1812 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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 dagvierkampen 2023 | Wijk aan Zee | NED | 2023-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1896 | 0.00 | 1 | -0.79 | 20 | -15.80 | |
| | Duijvesteijn, Andre | | | 1669 | NED | 0.00 | 1 | -0.79 | 20 | -15.80 | |
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 |
| 1823 | 1896 | 2.50 | 7 | -1.71 | 20 | -34.20 | |
| | Markus, Gijs | | | 1756 | NED | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Boontje, Willem | | | 1782 | NED | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Van Nieuwenhuizen, Hans | | | 1822 | NED | 0.00 | 1 | -0.60 | 20 | -12.00 | | | De Jong, Roel | | | 1855 | NED | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Bax, Martijn | | | 1802 | NED | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Hageman, Ger | | | 1867 | NED | 0.00 | 1 | -0.54 | 20 | -10.80 | | | De Haas, Maarten | | | 1877 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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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