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Individual Calculations March 2011 |
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| Ertugrul, Berkay Total change: 47.25 | |   |
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| Istanbul Chess Championship 2011 | Istanbul | TUR | 2010-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1685 | 4.00 | 6 | 2.97 | 25 | 74.25 | |
|  Simsek, Cevdet | | | 2042 | TUR | 0.50 | 1 | 0.39 | 25 | 9.75 | |  Yetkin, Ayhan | | | 1885 | TUR | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Bas, Deniz | | | 2029 | TUR | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Yuvarlak, Ugur | | | 1896 | TUR | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Bapoglu, Ibrahim | | | 1892 | TUR | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Yuksel, Mustafa | | | 2050 | TUR | 0.50 | 1 | 0.40 | 25 | 10.00 | |
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) | | | | Turkish Chess Championship | Antalya | TUR | 2011-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1685 | 0.00 | 5 | -1.08 | 25 | -27.00 | |
| | Bitirgen, Bilent | | | 1798 | TUR | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Demiralp, Murat | | | 2083 | TUR | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Sahin, Senol | | | 1971 | TUR | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Yapici, Kadir Gokberk | | | 1905 | TUR | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Hatipoglu, Metin | | | 1863 | TUR | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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) | | |
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