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Individual Calculations February 2018 |
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| Du Chatinier, Gunie Total change: -18.80 | |   |
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| Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1991 | 1.00 | 3 | -0.47 | 40 | -18.80 | |
|  Visser, Cees | | | 1982 | NED | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Mensing, Andrew | | | 1925 | NED | 0.50 | 1 | -0.09 | 40 | -3.60 | |  Buijten, Arno | | | 2088 | NED | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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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