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Individual Calculations May 2013 |
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| Roorda, Maarten Total change: -3.90 | |   |
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| NOSBO kampioenschap 2013 | Groningen | NED | 2013-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1864 | 1.00 | 3 | -0.13 | 30 | -3.90 | |
|  Knol, Geon | | | 2142 | NED | 0.00 | 1 | -0.17 | 30 | -5.10 | |  Zwanepol, Johan | | | 1939 | NED | 1.00 | 1 | 0.60 | 30 | 18.00 | | | Huizinga, Egbert | | | 1823 | NED | 0.00 | 1 | -0.56 | 30 | -16.80 | |
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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