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Individual Calculations October 2008 |
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| Pettersson, Anders Total change: -18.15 | |   |
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| Stockholm Open 2008 | Stockholm | SWE | 2008-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 2029 | 0.00 | 3 | -1.32 | 15 | -19.80 | |
|  Nygren, David | | | 2131 | SWE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Jansson, Anders O. | | | 2156 | SWE | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Helin, Mikael | | | 1933 | SWE | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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) | | | | NM for Gymnasielag 2008 | Reykjavik | ISL | 2008-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 2029 | 2.00 | 3 | 0.11 | 15 | 1.65 | |
|  Petursson, Matthias | | | 1878 | ISL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Oskarsson, Aron Ingi | | | 1888 | ISL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Haugstad, Espen | | | 2031 | NOR | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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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