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Individual Calculations February 2023 |
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| Gamage, Ovin Vidmal Total change: -42.80 | |   |
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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 |
| 1403 | 1558 | 4.50 | 8 | -0.90 | 20 | -18.00 | |
|  Kularathne, K A Praveen | | | 1149 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Marasinghe, Kasunka | | | 1207 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Kavisekara, Manula Heshan | | | 1169 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Amarasinghe, A A C B | c | | 1908 | SRI | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Galappaththi, Chinthaka Anuruddh | f | | 1996 | SRI | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Yapabandara, G G P D | | | 1355 | SRI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Dandeniya, D D L N | | | 1280 | SRI | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Rajapakshe, R A K K | | | 1158 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1276 | 1558 | 6.00 | 9 | -1.25 | 20 | -25.00 | |
| | Dinujaya, P D Kavishka | | | 1158 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rajakaruna, Nuhansa | | | 1176 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Karunathilaka, W M M D | | | 1295 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Herath, H M J R | | | 1278 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Weerawardane, Romesh | m | | 1919 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Godagampala, G D Minuja Hansana | | | 1224 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Abewardhana, Nuhansa Dewlini | | | 1091 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Chandrasiri, L S D | | | 1200 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Chandrasiri, R B A | | | 1146 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | * 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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1558 | 5.50 | 9 | 0.01 | 20 | 0.20 | |
| | Nagahawatta, Sachin Devinda | | | 1158 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fernando, H Gayaru Dulsara | | | 1222 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lavanga, D Binuka | | | 1341 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Alahakoon, Isuru | f | | 1925 | SRI | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Sivathanujan, S | | | 1849 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Hendavitharana, D S | | | 1214 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Fernando, H Methushi Amaya | | | 1329 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | De Silva, Osheen | | | 1763 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Bentharaarachchi, Vinuga Ometh | | | 1361 | SRI | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * 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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