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Individual Calculations February 2023 |
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| Bandara, B G S N R Total change: -20.00 | |   |
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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 |
| 1232 | 1020 | 0.50 | 3 | -0.19 | 40 | -7.60 | |
|  Hettigoda, Dhanodya Budmina | | | 1213 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Kaumina, M Yashika | | | 1259 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Godagampala, G D Minuja Hansana | | | 1224 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1020 | 0.00 | 2 | -0.31 | 40 | -12.40 | |
| | Mendis, Chandeepa | | | 1297 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Bimansa, D G Jayandi | | | 1333 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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) | | |
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