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Individual Calculations February 2023 |
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| Gunther, Marcella Total change: 12.80 | |   |
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| Tata Steel weekendvierkampen 2023 | Wijk aan Zee | NED | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1930 | 2.00 | 3 | 0.64 | 20 | 12.80 | |
|  Groot, Pim | | | 1922 | NED | 1.00 | 1 | 0.49 | 20 | 9.80 | |  De Reese, Elias | | | 1983 | BEL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Scharft, Johan | | | 1990 | NED | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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) | | |
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