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Individual Calculations September 2017 |
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| Van Der Zon, Stef Total change: 12.80 | |   |
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| Dutch Open 2017 | Dieren | NED | 2017-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2103 | 4.00 | 9 | 0.64 | 20 | 12.80 | |
|  Wiersma, Eelke | m | | 2352 | NED | 0.00 | 1 | -0.19 | 20 | -3.80 | |  De Boer, Eelke | | | 2161 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Krueger, Andre | | | 2134 | GER | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Likhit, Chilukuri | | | 2125 | IND | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Evengroen, Henk-Jan | | | 2208 | NED | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Boersma, Jan | | | 2095 | NED | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Ojas, Kulkarni | | | 2351 | IND | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Bus, Tom | | | 2153 | NED | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Mesman, Edwyn | | | 2230 | NED | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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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