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Individual Calculations January 2019 |
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| Sethiya , A Vinuga Total change: 21.60 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1312 | 1147 | 1.50 | 3 | 0.54 | 40 | 21.60 | |
|  Nethsara, W M Daham | | | 1496 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Pathmasiri, R D Isuru Saranga | | | 1431 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jayasinghe, Ranudhi | | | 1008 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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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