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Individual Calculations December 2021 |
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| Tahaoglu, Erkin Total change: -9.20 | |   |
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| Hayri Ozbilen Memorial Chess Tournament - 2021 | Istanbul | TUR | 2021-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1591 | 1678 | 3.00 | 5 | 0.13 | 20 | 2.60 | |
|  Yildizak, Ali Tulu | | | 1278 * | TUR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Akkara, Omer | | | 1278 * | TUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maruflu, Enes Yusuf | | | 1917 | TUR | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Erdogan, Yunus Emre | | | 1842 | TUR | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Ozen, Metehan | | | 1642 | TUR | 0.00 | 1 | -0.55 | 20 | -11.00 | | | * 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) | | | | Kucukcekmece Municipality 2nd Traditional Republic Cup Chess Tournament | Istanbul | TUR | 2021-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 1678 | 1.00 | 4 | -0.59 | 20 | -11.80 | |
| | Metin, Enis | | | 1683 | TUR | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Zumrut, Cihan | | | 1767 | TUR | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Kiziltas, Inanc Vefa | | | 1836 | TUR | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Buyuk, Ecrin Efsa | | | 1730 | TUR | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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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