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Individual Calculations February 2017 |
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| Hummel, Joop Total change: 3.80 | |   |
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| Chessfestival Groningen 2016 - Compact A | Groningen | NED | 2016-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2008 | 0.50 | 4 | -1.29 | 20 | -25.80 | |
|  Clemens, Adrian | f | | 2195 | NED | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Verwoert, Jef | | | 1993 | NED | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Wissmann, Dolf | | | 2053 | NED | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Van Pelt, Erwin | | | 1956 | NED | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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) | | | | Tata Steel Chess Tournament 2017 - Tienkampen | Wijk aan Zee | NED | 2017-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2008 | 6.00 | 9 | 1.48 | 20 | 29.60 | |
| | Brouwer, Timon | | | 1985 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Hasenbank, Dirk | | | 1939 | GER | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Slisser, Theo | | | 2048 | NED | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Van Westerop, Sebastiaan | | | 1977 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | | | De Jong, Roel | | | 1996 | NED | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Van Halderen, Herman | | | 2095 | NED | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Happel, Henk | f | | 2074 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Wedda, Dries | | | 1996 | NED | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Mesman, Edwyn | | | 1951 | NED | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | |
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