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Individual Calculations September 2011 |
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| Van Haastert, Paul Total change: -20.55 | |   |
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| Science Park Amsterdam Chess Tournament - B | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2062 | 2.50 | 6 | -1.37 | 15 | -20.55 | |
|  Greeuw, Sietske | | | 1990 | NED | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Van Den Bergh, Don | | | 1966 | NED | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Reinders, Joan | | | 1848 | NED | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Cheung, Jan | | | 2024 | NED | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Donkers, Joran | | | 1934 | NED | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Hummel, Joop | | | 1951 | NED | 0.00 | 1 | -0.65 | 15 | -9.75 | |
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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