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Individual Calculations January 2009 |
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| Chiang, Sarah Total change: 95.15 | |   |
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| TexOhma FIDE Open | Richardson, Texas | USA | 2008-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1564 | 0.00 | 2 | -0.40 | 25 | -10.00 | |
|  Pamatmat, Jarod M | | | 1844 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | |  Lin, Dachey | | | 1763 | USA | 0.00 | 1 | -0.24 | 25 | -6.00 | |
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) | | | | Dallas Open | Richardson, Texas | USA | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1556 | 1.00 | 3 | 0.54 | 25 | 13.50 | |
| | Vedrickas, Tautvydas | | | 1906 | LTU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Lin, Dachey | | | 1760 | USA | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Yang, Darwin | f | | 1906 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | World Youth Chess Championships 2008 - Girls 12 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1556 | 5.00 | 8 | 3.84 | 25 | 96.00 | |
| | Osmanodja, Filiz | | | 1906 | GER | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Bivol, Alina | | | 1906 | RUS | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Kahramanova, Mohinur | | | 1874 | UZB | 1.00 | 1 | 0.87 | 25 | 21.75 | | | Rathore, Sonakshi | | | 1854 | IND | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Shamatava, Ana | | | 1819 | GEO | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Styazhkina, Anna | | wf | 1906 | RUS | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Bellaiche, Elise | | | 1814 | FRA | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Jain, Radha | | | 1806 | ENG | 1.00 | 1 | 0.81 | 25 | 20.25 | |
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) | | | NOTE: K factor changed | | 8th Annual Ken Smith Memorial Open | Fort Worth, Texas | USA | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1556 | 0.00 | 2 | -0.29 | 15 | -4.35 | |
| | Pamatmat, Jarod M | | | 1906 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Malhotra, Akshay | | | 1815 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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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