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Individual Calculations April 2009 |
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| Van Der Grinten, Bas Total change: -3.00 | |   |
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| 3A - Corus Chess Tournament - Weekendvierkampen | Wijk aan Zee | NED | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1955 | 0.50 | 2 | -0.20 | 15 | -3.00 | |
|  Smit, Frans | | | 2120 | NED | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Both, Gert | | | 2013 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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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