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Individual Calculations September 2009 |
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| De Ruiter, Tom Total change: 3.90 | |   |
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| Intomart GfK Open 2009 - group B | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 2151 | 1.00 | 2 | -0.67 | 15 | -10.05 | |
|  Vermeulen, Bart | | | 1801 | NED | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Van Brussel, Bert | | | 1929 | NED | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | 10.Kaiserbrunnen Seniorenturnier | Brakel | GER | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2141 | 6.50 | 9 | 0.93 | 15 | 13.95 | |
|  Segelken, Peter | | | 1912 | GER | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Keil, Heinrich | | | 1792 | GER | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Weenink, Henk | | | 2162 | NED | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Johannsen, Ingbert | | | 2071 | GER | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Strenzke, Guenter | | | 2046 | GER | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Kieboom, Bert | | | 2013 | NZL | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Kort, Jacob | | | 2147 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Heinzel, Peter | | | 2068 | GER | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Lindner, Jan-Joost | | | 2191 | NED | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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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