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Individual Calculations September 2010 |
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| Van Helvoort, Rob Total change: 2.10 | |   |
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| 4e Leiden Chess Tournament | Leiden | NED | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 2197 | 4.50 | 7 | 0.14 | 15 | 2.10 | |
|  Burggraaf, Jan-Theodoor | | | 2037 | NED | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Blankert, Willem | | | 2008 | NED | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Wiersma, Eelke | m | | 2405 | NED | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Blom, Vincent | | | 2089 | NED | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Gravemaker, Wim Laurens | | | 2024 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Oosterom, Erik | | | 2109 | NED | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Ypma, Peter | | | 2074 | NED | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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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