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Individual Calculations March 2015 |
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| Perera, D Upashan L Total change: 6.40 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1204 | 0.00 | 3 | -0.68 | 40 | -27.20 | |
|  Ranasinghe, Shalini | | | 1513 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Perera, U I Himal | | | 1410 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Fernando, J S Aloka | | | 1354 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1389 | 1177 | 2.50 | 7 | 0.84 | 40 | 33.60 | |
| | Abhimanyu, Iraja | | | 1577 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ranasinghe, Anuga Gavindith | | | 1418 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Tharanga, B Nalin | | | 1358 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Kiriella, Dinuka Rashmikara | | | 1386 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Fernando, W Kavindu | | | 1332 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Lakshan, G Dilina Udeepa | | | 1336 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Yasanga, W C M Kasun | | | 1317 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | | | * 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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