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Individual Calculations September 2019 |
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| Bopage, N B Ravindu Parindiya Total change: 10.40 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1080 | 1.00 | 3 | 0.41 | 40 | 16.40 | |
|  Herath, H M M D | | | 1349 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Indrajith, J A K N T | | | 1326 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Ranasinghe, R A Senuka Buddhika | | | 1288 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1080 | 0.00 | 1 | -0.15 | 40 | -6.00 | |
| | Dilanya, W V Nethmi | | | 1375 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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