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Individual Calculations September 2019 |
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| Ranasinghe, R A S C Total change: -8.40 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1385 | 1066 | 0.00 | 3 | -0.41 | 40 | -16.40 | |
|  Perera, Thilina | | | 1453 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Indrajith, J A K N T | | | 1326 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Weerasinghe, W Yasiru | | | 1377 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1355 | 1066 | 1.00 | 5 | 0.20 | 40 | 8.00 | |
|  Palangoda, U P G M Sasmitha | | | 1306 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Rohana, V T Malitha | | | 1314 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Poththewala, Chamindi | | | 1355 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Piyarthne, Movindu Lushan | | | 1335 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Alwis, B H A Rasidu | | | 1466 * | SRI | 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) | | |
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