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Individual Calculations April 2009 |
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| Abcouwer, Jan-Bart Total change: 10.20 | |   |
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| 2A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2213 | 0.50 | 2 | -0.43 | 15 | -6.45 | |
|  Van Engen, Herman | | | 2162 | NED | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Hopman, Pieter | | | 2319 | NED | 0.00 | 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) | | | | 2B - Corus Chess Tournament - Weekendvierkampen | Wijk aan Zee | NED | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2215 | 3.00 | 3 | 1.11 | 15 | 16.65 | |
| | De Ruiter, Danny | | | 2006 | NED | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Timman, Anton P | f | | 2197 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Pijpers, Arthur | | | 2150 | NED | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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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