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Individual Calculations February 2020 |
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| Postema, Wim Total change: 29.60 | |   |
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| Tata Steel Dagvierkampen 2020 | Wijk aan Zee | NED | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1913 | 2.00 | 3 | 0.74 | 40 | 29.60 | |
|  Ephraim, Olaf | | | 1994 | NED | 1.00 | 1 | 0.61 | 40 | 24.40 | |  Van Putten, Mark | | | 1999 | NED | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Van Den Akker, Guus | | | 1919 | NED | 1.00 | 1 | 0.51 | 40 | 20.40 | |
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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