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Individual Calculations January 2020 |
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| Gamage, Desandhi Dhihansa Total change: -82.80 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1345 | 3.00 | 7 | -1.50 | 40 | -60.00 | |
|  Mathushan, Rajasegar | | | 1605 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Kularathna, Pulindu | | | 1047 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Lasitha, Subash | c | | 1643 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Kajenthiran, T | | | 1033 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Rathnayake, R M D S | | | 1032 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Perera, D G D S Vidarsha | | | 1141 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Botheju, Kavindu Lakshan | | | 1060 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | Sri Lanka Inter Club Women Chess Championship 2019 | Colombo | SRI | 2019-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1345 | 0.00 | 2 | -0.57 | 40 | -22.80 | |
| | Rathnayake, Jeewanthi | | | 1421 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Udupitiya, U G S S S | | | 1614 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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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