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Individual Calculations October 2021 |
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| Ata, Sezai Total change: -44.60 | |   |
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| August 30 Victory Day Elo Chess Tournament Category A | Ankara | TUR | 2021-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1574 | 1.00 | 3 | -0.97 | 20 | -19.40 | |
|  Yenice, Yusuf Erkan | | | 1482 | TUR | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Ceneli, Mehmet Canay | | | 1447 | TUR | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Gul, Servet | | | 1445 | TUR | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | European Sports Week Chess Tournament Category A | Ankara | TUR | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1400 | 1574 | 3.00 | 6 | -1.26 | 20 | -25.20 | |
| | Tunca, Omer | | | 1276 | TUR | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Oztay, Rezzan | | | 1235 | TUR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Koca, Emirhan | | | 1668 | TUR | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Onluel, Mert Kaan | | | 1354 | TUR | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Ceneli, Mehmet Canay | | | 1447 | TUR | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Firtina, Oguzhan | | | 1420 | TUR | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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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