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Individual Calculations February 2018 |
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| Abma, Klaas Total change: -36.00 | |   |
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| Chess Festival Groningen 2017 - Open B | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1945 | 3.00 | 6 | -1.80 | 20 | -36.00 | |
|  Vandeputte, Samuel | | | 1576 | BEL | 0.00 | 1 | -0.90 | 20 | -18.00 | |  Den Dunnen, Lola | | | 1809 | NED | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Molanus, Lennart | | | 1603 | NED | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Dekker, Jasper | | | 1700 | NED | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Pompstra, Henk | | | 1772 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Waardenburg, Marlinde | | | 1695 | NED | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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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