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Individual Calculations February 2023 |
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| Heijboer, Pieter Total change: -20.00 | |   |
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| Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2001 | 4.00 | 9 | -1.00 | 20 | -20.00 | |
|  Berghuis, Marten | | | 1968 | NED | 0.50 | 1 | -0.05 | 20 | -1.00 | |  Albrecht, Alex | | | 1849 | NED | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Bodicker, Rob | | | 2004 | NED | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Boersma, Jan | | | 1925 | NED | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Van Den Bos, Henk | | | 1992 | NED | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Van De Lagemaat, Arend | | | 2016 | NED | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Lardinois, Wouter | | | 1981 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Kastelijn, Twan | | | 1899 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Otten, Colleen | | | 2007 | NED | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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