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Individual Calculations February 2019 |
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| Both, Gert Total change: -7.80 | |   |
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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 |
| 1946 | 1867 | 1.00 | 2 | 0.21 | 20 | 4.20 | |
|  Maes, Djad | | | 1873 | NED | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Vissers, Nico | | | 2018 | NED | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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) | | | | Tata Steel Chess Tournament 2018 - Dagvierkampen | Wijk aan Zee | NED | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1867 | 1.00 | 3 | -0.60 | 20 | -12.00 | |
| | Boontje, Willem | | | 1810 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Gieske, Han | | | 1883 | NED | 0.00 | 1 | -0.48 | 20 | -9.60 | |  Lambregts, Frank | | | 1838 | NED | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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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