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Individual Calculations September 2010 |
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| Kastelein, Gerard Total change: 8.70 | |   |
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| HSG Open 2010 - group B | Hilversum | NED | 2010-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1924 | 1.50 | 2 | 0.54 | 25 | 13.50 | |
|  De Heer, Henk | | | 1927 | NED | 1.00 | 1 | 0.50 | 25 | 12.50 | |  Burer, Audry | | | 1952 | NED | 0.50 | 1 | 0.04 | 25 | 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) | | | NOTE: K factor changed | | 4e Leiden Chess Tournament | Leiden | NED | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 1924 | 2.00 | 8 | -0.32 | 15 | -4.80 | |
| | De Graaff, Rag | | | 2148 | NED | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Bakker, Guido | | | 2122 | NED | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Blom, Vincent | | | 2089 | NED | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Braggaar, Pim | | | 2043 | NED | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Konings, Leon | f | | 2243 | NED | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Gravemaker, Wim Laurens | | | 2024 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Erwich, Frans | | | 2060 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Sparreboom, Wil | | | 1974 | NED | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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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