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Individual Calculations February 2015 |
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| Koopman, Jan Total change: -10.40 | |   |
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| Tata Steel Chess Tournament 2015 - T5F | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1759 | 2.00 | 5 | -0.26 | 40 | -10.40 | |
|  Veerman, Henk | | | 1781 | NED | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Markus, Gijs | | | 1816 | NED | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Jean, Robert | | | 1746 | FRA | 0.00 | 1 | -0.52 | 40 | -20.80 | |  Enserink, Henk | | | 1833 | NED | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Barteling, Jan | | | 1796 | NED | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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