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Individual Calculations February 2023 |
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| Van Randen, Fred Total change: 1.80 | |   |
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| Tata Steel dagvierkampen 2023 | Wijk aan Zee | NED | 2023-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1827 | 1.50 | 3 | 0.09 | 20 | 1.80 | |
|  Plomp, Barth | | | 1927 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Vermeulen, Fons | | | 1777 | NED | 0.50 | 1 | -0.07 | 20 | -1.40 | |  Gattuso, Christophe | | | 1844 | FRA | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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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