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Individual Calculations September 2009 |
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| Koba, Igor Total change: -21.90 | |   |
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| Voronezh open 2009 - FIDE tmnt | Voronezh | RUS | 2009-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 2239 | 2.50 | 5 | -1.46 | 15 | -21.90 | |
|  Elfert, Aleksandr V. | m | | 1964 | RUS | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Lomakina, Galja | | wm | 2089 | RUS | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Rysbayeva, Korlan | | | 2007 | KAZ | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Akhmetov, Ayan | | | 1956 | KAZ | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Gutyakulov, Amal | | | 2003 | RUS | 0.00 | 1 | -0.80 | 15 | -12.00 | |
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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