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Individual Calculations August 2015 |
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| Van Randen, Fred Total change: -8.20 | |   |
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| 9e Leiden Chess Tournament, Group B | Leiden | NED | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1916 | 2.50 | 5 | -0.41 | 20 | -8.20 | |
|  Bojanowski, Roman | | | 1829 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | |  Braggaar, Wessel | | | 1835 | NED | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Bulthuis, Jelle | | | 1863 | NED | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Van De Griend, Johan | | | 1871 | NED | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Pliev, Vladimir | | | 1880 | RUS | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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