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Individual Calculations March 2015 |
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| Kodithuwakku, Lisara Total change: -41.20 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1249 | 0.00 | 3 | -0.41 | 40 | -16.40 | |
|  Jayaweera, C L | | | 1649 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tharushi, T H D Niklesha | | | 1576 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rajapaksa, Inura | | | 1491 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1292 | 1306 | 2.50 | 6 | -0.62 | 40 | -24.80 | |
|  Abhimanyu, Iraja | | | 1580 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ranasinghe, R A Arindu Himeth | | | 1101 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Perera, Sehath Sanvidu R A D | | | 1111 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Kumarapathirana, V Lakvin | | | 1131 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Perera, U I Himal | | | 1410 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Ranasinghe, Anuga Gavindith | | | 1418 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | |
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