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Individual Calculations August 2015 |
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| Van Drunick, Jan-Willem Total change: 51.20 | |   |
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| 9e Leiden Chess Tournament, Group A | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 1919 | 3.50 | 8 | 1.28 | 40 | 51.20 | |
|  Polak, Alexander | | | 2113 | NED | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Heemskerk, Wim | f | | 2175 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Nguyen, Kevin | | | 1986 | NED | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Van Der Scheer, Henk | | | 2049 | NED | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Wallgren, Ulf | | | 2141 | SWE | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Knudsen, Martin | | | 2026 | DEN | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Bebchuk, Leonid | | | 2072 | ISR | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Van Der Elburg, Freddie | | | 2185 | NED | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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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