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Individual Calculations March 2019 |
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| Costha, M Yomali Muthumini Total change: 26.00 | |   |
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| Colombo International Chess Festival 2019 | Colombo | SRI | 2019-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1242 | 1010 | 1.50 | 4 | 0.65 | 40 | 26.00 | |
|  Karunarathne, D D W Gamini | | | 1194 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Sugathapala, D H I U | | | 1186 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | |  Sanuda, Rehan | | | 1257 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Sanudula, K M Dahamdi | | wc | 1329 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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