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Individual Calculations April 2009 |
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| Busman, Jan Total change: -38.00 | |   |
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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 |
| 1875 | 1938 | 2.00 | 6 | -1.52 | 25 | -38.00 | |
|  Van Der Wosten, Henk | | | 1906 | NED | 0.50 | 1 | -0.04 | 25 | -1.00 | |  Buter, Andre | | | 1864 | NED | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Bassereau, Georges | | | 1862 | FRA | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Dekker, Jop | | | 1875 | NED | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Leeuwerik, Hans | | | 1889 | NED | 0.00 | 1 | -0.57 | 25 | -14.25 | | | Posch, Jan | | | 1854 | NED | 0.50 | 1 | -0.12 | 25 | -3.00 | |
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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