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Individual Calculations April 2009 |
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| Leeuwerik, Hans Total change: 21.75 | |   |
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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 |
| 1883 | 1889 | 4.50 | 6 | 1.45 | 15 | 21.75 | |
|  Posch, Jan | | | 1854 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Van Der Wosten, Henk | | | 1906 | NED | 0.00 | 1 | -0.48 | 15 | -7.20 | |  Buter, Andre | | | 1864 | NED | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Bassereau, Georges | | | 1862 | FRA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Busman, Jan | | | 1938 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Dekker, Jop | | | 1875 | NED | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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