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Individual Calculations September 2019 |
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| Jayaweera Gamage, Disindu Hansad Total change: 96.00 | |   |
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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 |
| 1295 | 1298 | 4.00 | 7 | 0.38 | 30 | 11.40 | |
|  De Silva, M W Sanuth Nihinsa | | | 1043 | SRI | 1.00 | 1 | 0.19 | 30 | 5.70 | |  Piyumantha, M Thisal Manjith | | | 1685 | SRI | 0.00 | 1 | -0.09 | 30 | -2.70 | | | Kodithuwakku , Gaindu Vidunitha | | | 1043 | SRI | 1.00 | 1 | 0.19 | 30 | 5.70 | | | Methmani, Nelunika | | wm | 1543 | SRI | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Ekanayaka, P D M L K E | | | 1089 | SRI | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Saravanabaavan, Brijeash | | | 1593 | SRI | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Thimanjana, Balage Kisandu | | | 1070 | SRI | 1.00 | 1 | 0.21 | 30 | 6.30 | |
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 |
| 1414 | 1298 | 4.00 | 7 | 1.27 | 30 | 38.10 | |
| | Wijekoon, Chandana | c | | 1698 * | SRI | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Rajapakshe, T D | | | 1019 | SRI | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Wiratunga, Ishan | | | 1698 * | SRI | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Thasmika, K H S | | | 1114 | SRI | 1.00 | 1 | 0.26 | 30 | 7.80 | | | Lankatilleke, Sathindu Vidujaya | | | 1160 | SRI | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Obeysekara, T A Sajith Chathuran | | | 1666 | SRI | 0.50 | 1 | 0.40 | 30 | 12.00 | | | Methmani, Nelunika | | wm | 1543 | SRI | 0.50 | 1 | 0.30 | 30 | 9.00 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1323 | 1298 | 6.00 | 9 | 1.55 | 30 | 46.50 | |
| | Viduranga, Oshadha | | | 1049 | SRI | 1.00 | 1 | 0.19 | 30 | 5.70 | | | Kolomwe, Willian | | | 1698 * | ZAM | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Rajapaksha, Indira Bhoopathi | | | 1038 | SRI | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Dahanayake, Isara Banidu | c | | 1698 * | SRI | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Abeysinghe, A A K D | | | 1029 | SRI | 1.00 | 1 | 0.17 | 30 | 5.10 | | | Perera, Udari Dilrukshi | | | 1113 | SRI | 1.00 | 1 | 0.26 | 30 | 7.80 | | | Lansakara, B M | | | 1513 | SRI | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Gamage, G D P A | | | 1083 | SRI | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Samarasinghe, Isuru Udana | | | 1682 | SRI | 1.00 | 1 | 0.91 | 30 | 27.30 | | | * 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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