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Individual Calculations September 2011 |
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| Ertugrul, Berkay Total change: -10.20 | |   |
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| Liberation Day Chess Tournament-U18 | Izmit | TUR | 2011-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1732 | 1.00 | 2 | 0.18 | 15 | 2.70 | |
|  Okay, Arda Efe | | | 1952 | TUR | 0.50 | 1 | 0.28 | 15 | 4.20 | |  Kahya, Gizem | | | 1662 | TUR | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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 Youth Chess Championships-u13 | Istanbul | TUR | 2011-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1732 | 1.00 | 3 | -0.86 | 15 | -12.90 | |
| | Ozen, Bahadir | c | | 1770 | TUR | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Aslan, Doga Evrim | | | 1525 | TUR | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Ipek, Ekin | | | 1633 | TUR | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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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