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Individual Calculations February 2019 |
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| Van Dijk, Harold Total change: 4.40 | |   |
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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 |
| 2083 | 2234 | 3.00 | 3 | 0.90 | 20 | 18.00 | |
|  Geerts, Alexander | | | 2098 | NED | 1.00 | 1 | 0.32 | 20 | 6.40 | | | De Koning, Martin | | | 2040 | NED | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Bakker, Martijn | | | 2112 | NED | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | Tata Steel Chess Tournament 2018 - Dagvierkampen | Wijk aan Zee | NED | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2234 | 1.50 | 3 | -0.68 | 20 | -13.60 | |
| | Woestenburg, Jochem | | | 2079 | NED | 0.50 | 1 | -0.21 | 20 | -4.20 | | | De Koning, Martin | | | 2040 | NED | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Straat, Evert-Jan | | | 2069 | NED | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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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