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Individual Calculations April 2009 |
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| Duin, Rob Total change: -6.50 | |   |
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| 4B - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1942 | 3.50 | 7 | -0.26 | 25 | -6.50 | |
|  Duinmaijer, Martin | | | 1888 | NED | 0.00 | 1 | -0.58 | 25 | -14.50 | |  De Kleijnen, Henk | | | 1951 | NED | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Kampen, Bert | | | 1893 | NED | 0.00 | 1 | -0.57 | 25 | -14.25 | | | Jungen, Rene | | | 1929 | NED | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Duin, Ritchy | | | 1879 | NED | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Jansen, Han | | | 1958 | NED | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Buitink, Bert | | | 1923 | NED | 0.50 | 1 | -0.03 | 25 | -0.75 | |
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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