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Individual Calculations February 2015 |
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| Kouwenhoven, Arjen Total change: 21.80 | |   |
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| Tata Steel Chess Tournament 2015 - W3D | Wijk aan Zee | NED | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2006 | 2.00 | 2 | 1.09 | 20 | 21.80 | |
|  Lessmann, Francis | | | 2071 | NED | 1.00 | 1 | 0.59 | 20 | 11.80 | |  Dudink, Bas | | | 2009 | NED | 1.00 | 1 | 0.50 | 20 | 10.00 | |
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) | | |
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