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Individual Calculations September 2010 |
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| Van Der Zon, Stef Total change: 27.00 | |   |
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| 4e Leiden Chess Tournament - group B | Leiden | NED | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 1691 | 2.00 | 3 | 1.08 | 25 | 27.00 | |
|  Kerkvliet, Sebastiaan | | | 1749 | NED | 0.50 | 1 | 0.08 | 25 | 2.00 | | | Van Vorselen, Theo | | | 1921 | NED | 1.00 | 1 | 0.79 | 25 | 19.75 | |  Kirana, Nancy | | | 1845 | NED | 0.50 | 1 | 0.21 | 25 | 5.25 | |
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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