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Individual Calculations January 2019 |
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| Gunawardena, Anuth Methvin Total change: 9.20 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1327 | 1070 | 1.00 | 4 | 0.23 | 40 | 9.20 | |
|  Perera, D Upashan L | | | 1470 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Fonseka, Waranakulasuriya Chan Ch | | | 1286 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Perera, S D Lahiru | | | 1274 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Gamage, Yasasmi Umarusiru | | | 1277 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | * 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) | | |
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