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Individual Calculations April 2009 |
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| Sadallah, Osama Total change: -1.65 | |   |
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| Schaakfestival Groningen - Compact A | Groningen | NED | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2162 | 1.50 | 3 | -0.11 | 15 | -1.65 | |
|  Wolferink, Frans | | | 2131 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Nepveu, Manuel | | | 2018 | NED | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Houtman, Joop | f | | 2249 | NED | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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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