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Individual Calculations January 2019 |
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| Pathirana, W P Voji Nimla Total change: 17.60 | |   |
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| Sri Lanka Women Inter Club Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1199 | 1.50 | 2 | 0.71 | 40 | 28.40 | |
|  Perera, M T N | | | 1042 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Wijesuriya, G P Y | | wc | 1599 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1251 | 1199 | 1.50 | 4 | -0.27 | 40 | -10.80 | |
|  Liyanage, Pesandu Rashmitha | | | 1438 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Abhimanyu, Iraja | | | 1467 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Liyanage, K G | | | 1063 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Mendis, Sandanu | | | 1036 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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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