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Individual Calculations April 2009 |
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| Harmsen, Klaas Jaap Total change: 4.80 | |   |
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| 2A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 2149 | 2.00 | 2 | 0.93 | 15 | 13.95 | |
|  Bark, Eric | | | 2141 | NED | 1.00 | 1 | 0.49 | 15 | 7.35 | |  Belhach, Bilal | | | 2108 | NED | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | | | 2B - Corus Chess Tournament - Dagvierkampen | Wijk aan Zee | NED | 2009-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2141 | 1.00 | 3 | -0.61 | 15 | -9.15 | |
| | Kool, Gerard J | | | 2160 | NED | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Schmezko, Stefan | | | 2118 | GER | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Nijenhuis, Wim | | | 2060 | NED | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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