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Individual Calculations April 2015 |
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| Colgecen, Erol Baran Total change: 49.20 | |   |
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| 2014-2015 Ankara Junior Chess Championship | Ankara | TUR | 2015-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1108 | 1.00 | 3 | 0.68 | 40 | 27.20 | |
|  Erdal, Kerem | | | 1508 * | TUR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Akilli, Ceren | | | 1391 | TUR | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Kaya, Onur | | | 1508 * | TUR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Ali Ipek Memorial Chess Tournament 2015 | Ankara | TUR | 2015-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1368 | 1094 | 1.50 | 5 | 0.55 | 40 | 22.00 | |
| | Bakan, Erkan | | | 1494 * | TUR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yilmazel, Sinem | | | 1468 | TUR | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Hayretci, Burhan | | | 1364 | TUR | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Colgecen, Ahmet Bora | | | 1138 | TUR | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Cifci, Alaattin | | | 1378 | TUR | 0.00 | 1 | -0.16 | 40 | -6.40 | | | * 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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