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Individual Calculations September 2011 |
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| Van Kempen, Roderick Total change: 25.20 | |   |
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| 5e Leiden Chess Tournament - group A | Leiden | NED | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 1948 | 3.50 | 8 | 0.95 | 15 | 14.25 | |
|  Vistisen, Lars | | | 2201 | DEN | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Roorda, Thijs | | | 2060 | NED | 0.50 | 1 | 0.15 | 15 | 2.25 | |  Braggaar, Pim | | | 2028 | NED | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Blankert, Willem | | | 2043 | NED | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Van Der Maat, Niek | | | 1991 | NED | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Klop, Tjomme | | | 2075 | NED | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Hellenberg, Jan | | | 2024 | NED | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Van Dongen, Cor | | | 2348 * | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | Dutch Open - Reserve A | Dieren | NED | 2011-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1948 | 4.00 | 7 | 0.73 | 15 | 10.95 | |
| | Mostertman, Johan | | | 1800 | NED | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Etmans, Maarten | f | | 2131 | NED | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Tromp, Pieter | | | 2069 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Van Keeken, Roland | | | 1844 | NED | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Sluiter, Jan | | | 1859 | NED | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Hoogland, Mike | | | 2043 | NED | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Huysman, Arie | | | 2063 | NED | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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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