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Individual Calculations April 2009 |
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| Van Gool, Henk Total change: 25.95 | |   |
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| 2D - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2114 | 2.00 | 2 | 1.13 | 15 | 16.95 | |
|  Meijer, Wilmar | | | 2154 | NED | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Coenen, Eduard | | | 2167 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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) | | | | 3M - Corus Chess Tournament - Weekendvierkampen | Wijk aan Zee | NED | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 2099 | 2.50 | 3 | 0.60 | 15 | 9.00 | |
|  Vredenborg, Carel | | | 1997 | NED | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Beijerinck, Nick | | | 2009 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Goes, Dirk | | | 1993 | NED | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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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