Individual Calculations February 2018 |
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Verwoert, Jef Total change: 22.20 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Chess Festival Groningen 2017 - Open B | Groningen | NED | 2017-12-22 |
Rc | Ro | w | n | change | K | K*chg | Game |
1850 | 1990 | 7.00 | 9 | 1.11 | 20 | 22.20 | |
| Hoogeboom, Boudewijn | | | 1627 | NED | 0.00 | 1 | -0.90 | 20 | -18.00 | | Adema, Marrit | | | 1590 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | Van Der Hagen, Loek | | | 1652 | NED | 1.00 | 1 | 0.12 | 20 | 2.40 | | Pompstra, Henk | | | 1772 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | | Oord, Raymon | | | 1873 | NED | 1.00 | 1 | 0.34 | 20 | 6.80 | | Vermeulen, Frans | | | 1894 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | | Akotchik, Victor | | | 2059 | NED | 1.00 | 1 | 0.60 | 20 | 12.00 | | Knol, Geon | | | 2097 | NED | 0.00 | 1 | -0.35 | 20 | -7.00 | | Khudovekov, Stanislav | | | 2084 | RUS | 1.00 | 1 | 0.63 | 20 | 12.60 | | * Rating difference of more than 400. Please read more at FIDE Handbook | 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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