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Individual Calculations September 2019 |
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| Perera, D G D Y Adeekshana Total change: -155.20 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1163 | 1346 | 2.00 | 6 | -2.33 | 40 | -93.20 | |
|  Thimanjana, Balage Kisandu | | | 1070 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Amarasinghe, A A C B | | | 1746 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Fernando, H Methushi Amaya | | | 1045 | SRI | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Thalgaswatta, Adeesha Denuwan | | | 1068 | SRI | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Samuditha, B Sandes | | | 1021 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Masakorala, Lithum Chthruka | | | 1027 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | * 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 open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1346 | 3.00 | 6 | -0.36 | 40 | -14.40 | |
| | Kavinda, Akila | | | 1746 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Perera, N Dumitha Sandumith | | | 1030 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Wijekoon, Chandana | c | | 1746 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hettiarachchi, D W K | | | 1125 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Madampage, M P | | | 1038 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Gunathilake, M D Vinuda Shenal | | | 1207 | 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1060 | 1346 | 3.00 | 5 | -1.19 | 40 | -47.60 | |
| | Liyanage, R L Mihini B | | wc | 1016 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Kumarasinghe, K K A Wasath Kavin | | | 1047 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Liyanage, R L C Sasmitha | | | 1141 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Suvethican, V | | | 1070 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Mendis, Sandanu | | | 1024 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | |
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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