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Individual Calculations January 2019 |
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| Sandanayake, Nimansa Sasanduni Total change: 66.80 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1096 | 0.00 | 3 | -0.58 | 40 | -23.20 | |
|  Dalawella, Sanuka Chandul | | | 1361 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Yahalmulla, Prasanna | | | 1396 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Fonseka, Waranakulasuriya Chan Ch | | | 1286 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1096 | 3.50 | 6 | 2.25 | 40 | 90.00 | |
| | Pathum, G Saranga | | | 1496 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nabil Nazar, Mohamed | | | 1396 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Himsara, W A Janidu | | | 1288 | SRI | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Chamathka, Weerasinghe A Chethan | | | 1235 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Hewawasam, H Y Thisaga Manvidu | | | 1278 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Induwara, T H D Thisarindu | | | 1334 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | * 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) | | |
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