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Individual Calculations February 2018 |
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| Visser, Cees Total change: 1.40 | |   |
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| Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1982 | 1.50 | 3 | 0.07 | 20 | 1.40 | |
|  Du Chatinier, Gunie | | | 1991 | NED | 0.50 | 1 | 0.01 | 20 | 0.20 | |  Buijten, Arno | | | 2088 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Mensing, Andrew | | | 1925 | NED | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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