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Individual Calculations April 2009 |
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| Kampen, Bert Total change: 14.50 | |   |
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| 3A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 1864 | 0.00 | 1 | -0.22 | 25 | -5.50 | |
|  Drent, Sjoerd | | | 2083 | NED | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | 4B - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1893 | 4.00 | 7 | 0.80 | 25 | 20.00 | |
| | Jungen, Rene | | | 1929 | NED | 1.00 | 1 | 0.55 | 25 | 13.75 | |  Jansen, Han | | | 1958 | NED | 0.00 | 1 | -0.41 | 25 | -10.25 | | | De Kleijnen, Henk | | | 1951 | NED | 0.50 | 1 | 0.08 | 25 | 2.00 | | | Duin, Rob | | | 1942 | NED | 1.00 | 1 | 0.57 | 25 | 14.25 | | | Duin, Ritchy | | | 1879 | NED | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Buitink, Bert | | | 1923 | NED | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Duinmaijer, Martin | | | 1888 | NED | 0.50 | 1 | -0.01 | 25 | -0.25 | |
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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