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Individual Calculations February 2023 |
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| Perera, M C Anjalo Total change: 100.40 | |   |
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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 |
| 1276 | 1078 | 4.50 | 8 | 2.51 | 40 | 100.40 | |
|  Mudalige, S M I Umandi | | | 1300 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Yapabandara, G G P D | | | 1355 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Bimansa, D G Jayandi | | | 1333 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Yanakan, P | | | 1251 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Kaumina, M Yashika | | | 1259 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Chandrasiri, L S D | | | 1200 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Dharan, A | | | 1182 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Adansooriya, B A | | | 1326 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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) | | |
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