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Individual Calculations February 2019 |
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| Seip, Rien Total change: -30.20 | |   |
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| Tata Steel Chess Tournament 2018 - Weekendvierkampen | Wijk aan Zee | NED | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1976 | 0.00 | 3 | -1.51 | 20 | -30.20 | |
|  Scharft, Johan | | | 1982 | NED | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Van De Laar, John | | | 1889 | NED | 0.00 | 1 | -0.62 | 20 | -12.40 | |  Lessmann, Francis | | | 2052 | NED | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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