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Individual Calculations January 2018 |
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| Perera, Isara Ranmeth Total change: 71.20 | |   |
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| 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1229 | 1023 | 3.50 | 7 | 1.78 | 40 | 71.20 | |
|  Saravanabaavan, Brijeash | | | 1358 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | |  Gamage, Randula Navodya | | | 1350 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Kaumina, M Yashika | | | 1207 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Cassim, Tuan Mohamet Rushdi | | | 1149 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Amarasinghe, Kavithma Gayuni | | | 1193 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Atulugamage, Saniru Lohan | | | 1158 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Hewawasam, H Y Thisaga Manvidu | | | 1191 | SRI | 0.50 | 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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