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Individual Calculations February 2019 |
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| Sideras, Kostandinos Total change: -40.80 | |   |
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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 |
| 1971 | 1976 | 0.50 | 3 | -1.02 | 40 | -40.80 | |
|  Huenemeyer, Dirk | | | 1974 | GER | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Jaquet, Reinier | | | 1935 | NED | 0.00 | 1 | -0.56 | 40 | -22.40 | |  Honkoop, Gilian | | | 2005 | NED | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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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