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Individual Calculations February 2023 |
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| De Zoeten, Cato Total change: 32.00 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 1950 | 1.50 | 4 | 0.23 | 40 | 9.20 | |
|  Groot, Simon | | | 2082 | NED | 0.50 | 1 | 0.18 | 40 | 7.20 | |  Van Putten, Henk | | | 2074 | NED | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Gijsen, William | | | 2135 | NED | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Termeulen, Albert | | | 2055 | NED | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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) | | | NOTE: K factor changed | | Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1946 | 2.50 | 3 | 1.14 | 20 | 22.80 | |
| | Nagel, Yvette | | wf | 1952 | NED | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Hartmann, Thomas | | | 1972 | GER | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Tissink, Arjan | | | 2008 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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