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Individual Calculations October 2008 |
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| De Leur, Ben Total change: -24.30 | |   |
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| 2e Leiden Chess Tournament | Leiden | NED | 2008-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2081 | 1.00 | 4 | -1.62 | 15 | -24.30 | |
|  Vreeburg, Jan | | | 1938 | NED | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Boulahfa, Hicham | | | 1985 | NED | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Van Brussel, Bert | | | 1939 | NED | 0.50 | 1 | -0.19 | 15 | -2.85 | |  Hoekstra, Peter | | | 2000 | NED | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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