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Individual Calculations September 2009 |
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| Poelman, Geoffrey Total change: 4.25 | |   |
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| University of Twente Open Dutch Youth Chess Championship 2009 | Enschede | NED | 2009-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1798 | 1.50 | 5 | 0.17 | 25 | 4.25 | |
|  Goudriaan, Etienne | | | 2107 | NED | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Van Opheusden, Bas | | | 2142 | NED | 0.00 | 1 | -0.12 | 25 | -3.00 | |  Beukema, Stefan | | | 2007 | NED | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Nicolai, Amir | | | 1837 | NED | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Bollen, Guus | | | 1880 | NED | 0.50 | 1 | 0.11 | 25 | 2.75 | |
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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