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Individual Calculations January 2010 |
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| Gundogan, Cem Total change: -4.80 | |   |
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| World Youth Chess Championship-u14 | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1819 | 2.50 | 8 | -0.13 | 15 | -1.95 | |
|  Adelberg, David | | | 2201 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Lugovskoy, Maxim | | | 2096 | RUS | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Karlsson, Mikael Johann | | | 1703 | ISL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Buyukasik, Diyap | | | 2063 | TUR | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Benavente Vazquez, Juan Jose | | | 1947 | MEX | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Cakiroglu, Metin | | | 1722 | TUR | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Shabanov, Nurlan Mammad Oglu | | | 1950 | AZE | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Stoyanov, Ivaylo | | | 2031 | BUL | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | Istanbul Chess Championship | Istanbul | TUR | 2009-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1819 | 1.00 | 4 | -0.19 | 15 | -2.85 | |
| | Erdogan, Hakan | f | | 2219 * | TUR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Yapici, Mustafa | | | 1912 | TUR | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Bolat, Ahmet | | | 1938 | TUR | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Yazici, Mustafa Erdem | | | 1895 | TUR | 0.00 | 1 | -0.40 | 15 | -6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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