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Individual Calculations April 2009 |
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| Van Diermen, Henk Total change: -4.75 | |   |
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| 4G - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1915 | 3.00 | 6 | -0.19 | 25 | -4.75 | |
|  Enserink, Henk | | | 1863 | NED | 0.50 | 1 | -0.07 | 25 | -1.75 | | | Van Tooren, Erik | | | 1939 | NED | 1.00 | 1 | 0.53 | 25 | 13.25 | |  Van Oudvorst, Bert | | | 1934 | NED | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Heere, Martijn | | | 1791 | NED | 0.50 | 1 | -0.17 | 25 | -4.25 | | | Bouma, Dick | | | 1919 | NED | 0.50 | 1 | 0.01 | 25 | 0.25 | | | De Oude, Harm | | | 1898 | NED | 0.50 | 1 | -0.02 | 25 | -0.50 | |
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) | | |
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