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Individual Calculations September 2009 |
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| Westerman, Henk Total change: -28.95 | |   |
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| Intomart GfK Open 2009 - group B | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1932 | 0.50 | 4 | -1.82 | 15 | -27.30 | |
|  Lasschuit, Rene | | | 1854 | NED | 0.00 | 1 | -0.61 | 15 | -9.15 | |  Van Dinteren, Andre | | | 1795 | NED | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Van Brussel, Bert | | | 1929 | NED | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Kampen, Bert | | | 1908 | NED | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 1938 | 1.00 | 3 | -0.11 | 15 | -1.65 | |
| | Karthikeyan, P. | m | | 2338 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kerkvliet, Sebastiaan | | | 1718 | NED | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Oosterom, Erik | | | 2128 | NED | 0.00 | 1 | -0.25 | 15 | -3.75 | | | * 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) | | |
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