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Individual Calculations February 2015 |
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| Thynne, Trefor Total change: 7.20 | |   |
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| Tata Steel Chess Tournament 2015 - D3D | Wijk aan Zee | NED | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1923 | 1.50 | 3 | 0.18 | 40 | 7.20 | |
|  Van Nieuwkerk, Ton | | | 2009 | NED | 0.50 | 1 | 0.12 | 40 | 4.80 | |  Meijer, Robbert | | | 1908 | NED | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Den Boer, Paul | | | 1983 | NED | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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