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Individual Calculations February 2023 |
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| Manuranga, D Lahiru Total change: -118.80 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1222 | 1503 | 3.50 | 7 | -2.31 | 20 | -46.20 | |
|  Bentharaarachchi, B D Daksha Hans | | | 1136 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Ekaratne, Chenaya | | | 1284 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Hansada, J G Disindu | | | 1335 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Godagampala, G D Minuja Hansana | | | 1224 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Yanakan, P | | | 1251 | SRI | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Fernando, W K B Thumula Theekshan | | | 1213 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Munasinghe, M A D D D | | | 1111 | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1150 | 1503 | 5.00 | 9 | -2.98 | 20 | -59.60 | |
| | Samarakoon, Sasndu Ayod | | | 1103 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rajapaksa, Minagi | | | 1164 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Somarathne, Subhaga Kushali | | | 1133 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Dandeniya, D D L N | | | 1280 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Kalupahana, Hirun Harendra | | | 1111 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vihanga, R A D Rusiru | | | 1210 | SRI | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Wijerathna, Kusindu Nimsara Meths | | | 1085 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Bandara, K M W G Lahiru | | | 1198 | SRI | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Ranasinghe, R A Manul Lakvindu | | | 1067 | SRI | 0.50 | 1 | -0.44 | 20 | -8.80 | | | * 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 Inter University Chess Championship 2022 | Colombo | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1503 | 0.50 | 3 | -0.65 | 20 | -13.00 | |
| | Dassanayake, D M G S | | | 1847 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Namunukula, Prince Neranjan | | | 1545 | SRI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Wijerathne, M B | | | 1440 | SRI | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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