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Individual Calculations November 2023 |
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| Karunarathna, Yanula Total change: 128.80 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1078 | 0.00 | 2 | -0.20 | 40 | -8.00 | |
|  Insara, S D Nadev | | | 1766 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Wijesinghe, W A M C | | | 1326 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1078 | 5.50 | 9 | 3.42 | 40 | 136.80 | |
| | Abhimanyu, Iraja | | | 1427 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | |  Samaraweera, S M Sethika Hansira | | | 1265 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Chandrasiri, R B A | | | 1224 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Ramanayaka, R A G P | | | 1167 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Fernando, Diyon Senuth Randilu | | | 1190 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Ranasinghe, R A Lihini Himansa | | | 1264 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Nissanka, N M Thenura Yasendra | | | 1334 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Alwis, H Sandithi Kusalya | | | 1311 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Fernando, G W Nethmi L | | | 1654 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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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