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Individual Calculations January 2020 |
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| Premarathna, Sanithu Dulsith Total change: 0.00 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1047 | 0 | 0.00 | 2 | 0.00 | 247 | | 0.00 | |
|  Wimalasiri, Y G C Kavindi | | | 1078 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Lewdeni, L P T C | | | 1015 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1091 | 0 | 1.50 | 4 | 0.00 | 1004 | | 0.00 | |
|  Suranga, A M Sasika | | | 1085 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Gunawardana, Indrakeela K D Udde | | | 1225 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nethdinu, Ruben Hiruja | | | 1028 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Ranasinghe, R A Manul Lakvindu | | | 1024 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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