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Individual Calculations February 2013 |
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| Westerlaan, Sander Total change: -39.60 | |   |
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| Schaakfestival Groningen 2012 Open B | Groningen | NED | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2026 | 3.50 | 7 | -1.32 | 30 | -39.60 | |
|  Keetman, Maaike | | | 1813 | NED | 0.00 | 1 | -0.77 | 30 | -23.10 | |  Abma, Klaas | | | 1971 | NED | 1.00 | 1 | 0.42 | 30 | 12.60 | | | Van Velzen, Martin | | | 1893 | NED | 1.00 | 1 | 0.32 | 30 | 9.60 | | | Salihbegovic, Edim | | | 1858 | BIH | 1.00 | 1 | 0.28 | 30 | 8.40 | | | Dijkstra, Arjan | | | 1957 | NED | 0.00 | 1 | -0.60 | 30 | -18.00 | | | Vlaming, Halana | | | 1748 | NED | 0.00 | 1 | -0.83 | 30 | -24.90 | | | Wubs, Harry | | | 1923 | NED | 0.50 | 1 | -0.14 | 30 | -4.20 | |
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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