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Individual Calculations August 2015 |
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| Visser, Henk-Jan Total change: -11.00 | |   |
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| 9e Leiden Chess Tournament, Group A | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2272 | 4.50 | 9 | -0.55 | 20 | -11.00 | |
|  Veenendaal, Loek | | | 1993 | NED | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Howell, David W L | g | | 2672 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Van Halderen, Herman | | | 2052 | NED | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Van Der Scheer, Henk | | | 2049 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Polak, Alexander | | | 2113 | NED | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Van Der Elburg, Freddie | | | 2185 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | | | De Jong, Jan-Willem | m | | 2448 | NED | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Van Delft, Merijn | m | | 2428 | NED | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Wallgren, Ulf | | | 2141 | SWE | 0.00 | 1 | -0.68 | 20 | -13.60 | | | * 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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