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Individual Calculations February 2013 |
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| Dijkstra, Arjan Total change: 33.45 | |   |
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| Schaakfestival Groningen 2012 Open B | Groningen | NED | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1957 | 6.50 | 8 | 2.23 | 15 | 33.45 | |
|  Abma, Klaas | | | 1971 | NED | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Salihbegovic, Edim | | | 1858 | BIH | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Mostertman, Conrad | | | 1973 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | |  Westerlaan, Sander | | | 2026 | NED | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Wubs, Harry | | | 1923 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Drozdowski, Konrad | | | 1878 | POL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Reinders, Joan | | | 1894 | NED | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Van Der Werff, Frank | | | 1943 | NED | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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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