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Individual Calculations February 2017 |
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| Wedda, Dries Total change: 74.40 | |   |
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| Chessfestival Groningen 2016 - Compact A | Groningen | NED | 2016-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2005 | 2.00 | 4 | 0.71 | 40 | 28.40 | |
|  Beukema, Jasper | | | 2159 | BEL | 1.00 | 1 | 0.71 | 40 | 28.40 | |  Bezemer, Arno | f | | 2330 | NED | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Boer, Alef | | | 2158 | NED | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Holwijn, Melvin | | | 1957 | NED | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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) | | | | Tata Steel Chess Tournament 2017 - Tienkampen | Wijk aan Zee | NED | 2017-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1996 | 5.50 | 9 | 1.15 | 40 | 46.00 | |
| | Slisser, Theo | | | 2048 | NED | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Van Westerop, Sebastiaan | | | 1977 | NED | 1.00 | 1 | 0.47 | 40 | 18.80 | | | De Jong, Roel | | | 1996 | NED | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Van Halderen, Herman | | | 2095 | NED | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Happel, Henk | f | | 2074 | NED | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Brouwer, Timon | | | 1985 | NED | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Mesman, Edwyn | | | 1951 | NED | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Hummel, Joop | | | 2008 | NED | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Hasenbank, Dirk | | | 1939 | GER | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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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