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Individual Calculations September 2011 |
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| Van Halderen, Herman Total change: -9.90 | |   |
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| 5e Leiden Chess Tournament - group A | Leiden | NED | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2081 | 2.00 | 6 | -0.66 | 15 | -9.90 | |
|  Tiviakov, Sergei | g | | 2481 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Manoch, Maurice | | | 1830 | NED | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Both, Gert | | | 1949 | NED | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Mashinskaya, Iulia | m | wg | 2333 | RUS | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Senlle Caride, Miguel | | | 2271 | ESP | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Van Straaten, Marco | | | 1968 | NED | 0.50 | 1 | -0.15 | 15 | -2.25 | | | * 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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