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Individual Calculations April 2009 |
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| Bouma, Dick Total change: -31.00 | |   |
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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 |
| 1890 | 1919 | 2.00 | 6 | -1.24 | 25 | -31.00 | |
|  Enserink, Henk | | | 1863 | NED | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Van Tooren, Erik | | | 1939 | NED | 0.00 | 1 | -0.47 | 25 | -11.75 | |  Van Oudvorst, Bert | | | 1934 | NED | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Van Diermen, Henk | | | 1915 | NED | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Heere, Martijn | | | 1791 | NED | 0.00 | 1 | -0.67 | 25 | -16.75 | | | De Oude, Harm | | | 1898 | 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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