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Individual Calculations February 2023 |
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| Van Houwelingen, Leo 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 |
| 1962 | 1986 | 1.50 | 3 | -0.09 | 20 | -1.80 | |
|  De Swart, Sipke | | | 1985 | NED | 0.50 | 1 | 0.00 | 20 | 0.00 | |  Keijsper, Jan | | | 1896 | NED | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Pauw, Martijn | | | 2006 | NED | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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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