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Individual Calculations February 2019 |
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| Weerasinghe, Sethum Total change: -12.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1235 | 1326 | 4.00 | 7 | -0.30 | 40 | -12.00 | |
|  Rajapaksha, Sethum Damhiru | | | 1064 | SRI | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Liyanage, K G | | | 1063 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Sethiya , A Vinuga | | | 1147 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Attanayaka, Chamath | | | 1168 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Kiriella, K G T S D | | | 1570 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Mathes Arachchi, Bhanila M | | | 1441 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Dharmasena, S B T V | | | 1189 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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