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Individual Calculations February 2013 |
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| Roorda, Maarten Total change: -2.40 | |   |
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| Schaakfestival Groningen 2012 Compact B | Groningen | NED | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1866 | 1.00 | 3 | -0.08 | 30 | -2.40 | |
|  Wiggerman, Jan | | | 1908 | NED | 0.50 | 1 | 0.06 | 30 | 1.80 | |  Mostertman, Johan | | | 1858 | NED | 0.50 | 1 | -0.01 | 30 | -0.30 | | | Hagenbach, Udo | | | 2185 | GER | 0.00 | 1 | -0.13 | 30 | -3.90 | |
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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