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Individual Calculations April 2009 |
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| Buitink, Bert Total change: 24.50 | |   |
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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 |
| 1920 | 1923 | 4.50 | 7 | 0.98 | 25 | 24.50 | |
|  Duinmaijer, Martin | | | 1888 | NED | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Jungen, Rene | | | 1929 | NED | 1.00 | 1 | 0.51 | 25 | 12.75 | |  Jansen, Han | | | 1958 | NED | 0.50 | 1 | 0.05 | 25 | 1.25 | | | De Kleijnen, Henk | | | 1951 | NED | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Kampen, Bert | | | 1893 | NED | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Duin, Ritchy | | | 1879 | NED | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Duin, Rob | | | 1942 | 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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