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Individual Calculations April 2009 |
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| Landsbergen, Ron Total change: -26.25 | |   |
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| 3G - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2030 | 0.50 | 2 | -0.29 | 25 | -7.25 | |
|  Van Der Marel, Eric | | | 2040 | NED | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Van Arkel, Rogier | | | 2181 | NED | 0.00 | 1 | -0.30 | 25 | -7.50 | |
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) | | | | 3D - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2049 | 2.50 | 6 | -0.76 | 25 | -19.00 | |
| | Favre, Bruno | | | 2002 | FRA | 0.50 | 1 | -0.07 | 25 | -1.75 | | | Rost Van Tonningen, Otto | | | 2046 | NED | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Van Den Bergh, Ben | | | 1991 | NED | 0.50 | 1 | -0.08 | 25 | -2.00 | | | Brandsma, Anne | | | 2014 | NED | 0.00 | 1 | -0.55 | 25 | -13.75 | |  Beukema, Stefan | | | 1985 | NED | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Slings, Stefan | | | 2073 | 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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