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Individual Calculations September 2011 |
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| Van Der Maat, Niek Total change: -13.35 | |   |
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| 5e Leiden Chess Tournament - group A | Leiden | NED | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1991 | 2.50 | 7 | -0.89 | 15 | -13.35 | |
|  Ducarmon, Quinten | f | | 2352 | NED | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Kat, Rudolf | | | 1880 | NED | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Frost, Peter | | | 1940 | AUS | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Volders, Wessel | | | 1881 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Van Kempen, Roderick | | | 1948 | NED | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Ten Hagen, Yorick | | | 2189 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Damen, Igor | | | 1904 | NED | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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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