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Individual Calculations February 2019 |
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| De Visser, Pieter Total change: -23.20 | |   |
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| Chess Festival Groningen 2018 - Compact A | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1868 | 1.00 | 4 | -0.58 | 40 | -23.20 | |
|  Mijnheer, Peter | | | 2076 | NED | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Pellikaan, Govert | | | 1946 | NED | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Van Kesteren, Stef | | | 1853 | NED | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Van Dongen, Rob | | | 1914 | NED | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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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