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Individual Calculations April 2009 |
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| Bloem, Mark Total change: 13.50 | |   |
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| 4D - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1891 | 2.50 | 3 | 0.90 | 15 | 13.50 | |
|  Buter, Andre | | | 1864 | NED | 1.00 | 1 | 0.46 | 15 | 6.90 | |  Bassereau, Georges | | | 1862 | FRA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Dekker, Jop | | | 1875 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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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