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Individual Calculations January 2009 |
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| Kalcheva, Natalia Total change: 17.25 | |   |
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| 58th Team Ch (w) 1st Division | Borovets | BUL | 2008-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 2035 | 2.50 | 4 | 1.15 | 15 | 17.25 | |
|  Doncheva, Marinela | | | 2036 | BUL | 1.00 | 1 | 0.50 | 15 | 7.50 | |  Shtereva, Slaveja | | | 2078 | BUL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Genova, Lyubka | | wm | 2260 | BUL | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Nikolova, Adriana | | wf | 2281 | BUL | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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