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Individual Calculations September 2011 |
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| Kastelein, Gerard Total change: -20.10 | |   |
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| Houtje Hoofd Helder Open | Boxtel | NED | 2011-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2253 | 1932 | 0.00 | 3 | -0.44 | 15 | -6.60 | |
|  Steingrimsson, Hedinn | g | | 2332 * | ISL | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Bosboom, Manuel | m | | 2332 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Van Meurs, Rob | | | 2095 | NED | 0.00 | 1 | -0.28 | 15 | -4.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 5e Leiden Chess Tournament - group A | Leiden | NED | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1932 | 1.50 | 6 | -0.90 | 15 | -13.50 | |
| | Padurariu, Ioana-Smaranda | | wm | 2164 | ROU | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Van Den Bergh, Ben | | | 1974 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Van Brussel, Bert | | | 1882 | NED | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Kubbenga, Michael | | | 1971 | NED | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Weiland, Harro | | | 1966 | NED | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Gevers, Ernst | | | 2095 | NED | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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