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Individual Calculations October 2018 |
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| Kathriarachchi, Dini Nathyaa Total change: -20.80 | |   |
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| 4th Negambo International Chess Festival 2018 | Negambo | SRI | 2018-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1084 | 0.00 | 4 | -0.79 | 40 | -31.60 | |
|  Saravanabaavan, Brijeash | | | 1397 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Adihetty, Vanusha | | | 1380 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Ekanayake, Hasindu Chiranga | | | 1293 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Sandaruwan, M G Ravindu | | | 1258 | SRI | 0.00 | 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) | | | | Sri Lanka Junior Girls National Chess Championship 2018 | Colombo | SRI | 2018-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1291 | 1084 | 1.00 | 3 | 0.27 | 40 | 10.80 | |
| | Dahampriya, H K T Dewnethmie | | | 1392 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Jayasuriya, Linali Andrea | | | 1306 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Wijesekara, Dinuka Sewmini | | | 1176 | SRI | 1.00 | 1 | 0.63 | 40 | 25.20 | |
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) | | |
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