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Individual Calculations August 2015 |
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| Vreeburg, Jan Total change: 31.80 | |   |
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| 9e Leiden Chess Tournament, Group A | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 1901 | 3.50 | 9 | 1.59 | 20 | 31.80 | |
|  Van Der Raaf, Erik | | | 2110 | NED | 0.50 | 1 | 0.27 | 20 | 5.40 | |  Van Der Elburg, Freddie | | | 2185 | NED | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Bebchuk, Leonid | | | 2072 | ISR | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Kolodkin, Daniil | | | 2208 | NED | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Sorensen, Bent | f | | 2217 | DEN | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Gindi, Shachar | f | | 2301 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Heemskerk, Wim | f | | 2175 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Knudsen, Martin | | | 2026 | DEN | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Erwich, Frans | | | 1974 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | | | * 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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