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Individual Calculations February 2019 |
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| De Boer, Bas Total change: -43.60 | |   |
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| Chess Festival Groningen 2018 - Open A | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2134 | 2.50 | 9 | -2.18 | 20 | -43.60 | |
|  Lahaye, Rick | | | 2404 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Duson, Robin | | | 1951 | NED | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Maris, Ivo | f | | 2351 | NED | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Van Foreest, Machteld | | | 1925 | NED | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Nicolai, Amir | | | 2074 | NED | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Hilwerda, Jonas | | | 2128 | NED | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Elgersma, Onno | | | 2192 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Van De Pavoordt, Max | | | 2042 | NED | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Van Der Berg, Wessel | | | 2032 | NED | 0.50 | 1 | -0.14 | 20 | -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) | | |
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