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Individual Calculations October 2018 |
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| Koc, Erol Total change: -50.20 | |   |
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| 2018 International Istanbul Open Chess Tournament - Category B | Istanbul | TUR | 2018-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1493 | 1.00 | 5 | -2.51 | 20 | -50.20 | |
|  Suer, Halil Cenk | | | 1608 | TUR | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Huseynzade, Tamerlan | | | 1304 | AZE | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Ersoz, Celalettin | | | 1279 | TUR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Yildiz, Demir Kursat | | | 1250 | TUR | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Yeter, Orhan | | | 1191 | TUR | 0.00 | 1 | -0.85 | 20 | -17.00 | |
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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