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Individual Calculations February 2019 |
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| Postema, Wim Total change: 58.00 | |   |
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| Tata Steel Chess Tournament 2018 - Dagvierkampen | Wijk aan Zee | NED | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 1855 | 3.00 | 3 | 1.45 | 40 | 58.00 | |
|  Van Den Bos, Frans Pieter | | | 1919 | NED | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Meruma, Arie | | | 1757 | NED | 1.00 | 1 | 0.37 | 40 | 14.80 | |  Kleinert, Andreas, Dr. | | | 1845 | GER | 1.00 | 1 | 0.49 | 40 | 19.60 | |
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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