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Individual Calculations February 2017 |
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| Van Ael, Bert Total change: 3.20 | |   |
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| Tata Steel Chess Tournament 2017 - Weekendvierkampen | Wijk aan Zee | NED | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1927 | 1.50 | 3 | 0.16 | 20 | 3.20 | |
|  Bergmans, Dirk | | | 1980 | NED | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Officier, Tom | | | 2004 | NED | 0.50 | 1 | 0.11 | 20 | 2.20 | |  Flohr, Ron | | | 1911 | NED | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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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