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Individual Calculations November 2022 |
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| Abiru, K A Aken Total change: 57.60 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1251 | 3.00 | 6 | 0.68 | 40 | 27.20 | |
|  Maleeshaka , Rukshan | | | 1051 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Lakshitha, H H Sasindu | | | 1643 | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Weerathungalage, W D Malisha Sasv | | | 1547 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Yapa, D G Sanjeewa Madushan | | | 1456 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Hettiarachchi, D W K | | | 1396 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Jayasuriya, Charinu Sithsara Mith | | | 1032 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1251 | 2.00 | 5 | 0.76 | 40 | 30.40 | |
| | Madushanka, Harsha | | | 1680 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Suvethican, V | | | 1100 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Ranasinghe, R A Malindu Bhathiya | | | 1460 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Wimalasuriya, Kasun M. | c | | 1816 | SRI | 0.50 | 1 | 0.48 | 40 | 19.20 | | | Newansa, M Esandi | | | 1474 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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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