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Individual Calculations February 2020 |
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| Kodithuwakku, Lisara Total change: -26.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1718 | 5.50 | 7 | 0.22 | 40 | 8.80 | |
|  Nilokshan, S G | | | 1318 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Withana, Vidun Manmitha | | | 1318 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wijesekara, Bihandu Sanhinda | | | 1410 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Weerasinghe, Isum | | | 1457 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Piyumantha, M Thisal Manjith | | | 1697 | SRI | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Silva, Kevin Ranidu | c | | 1798 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Weerasinghe, W Yasiru | | | 1433 | SRI | 1.00 | 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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1796 | 5.00 | 8 | -0.87 | 40 | -34.80 | |
| | Deshadara, Masachchi Sineth | | | 1396 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gamage, A G R Ruwanmith | | | 1396 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Abhimanyu, Iraja | | | 1443 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Senevirathne, S D B K | | | 1396 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Amarasinghe, A A C B | | | 1907 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Sooriyaarachchi, Isuru Madusha | | | 1507 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Alahakoon, Isuru | f | | 2133 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Dissanayake, Manusha Dinuk | | | 1407 | SRI | 0.00 | 1 | -0.91 | 40 | -36.40 | | | * 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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