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Individual Calculations April 2019 |
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| Piyumantha, M Thisal Manjith Total change: 25.20 | |   |
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| Battle of the Kings 2019 | Colombo | SRI | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1598 | 1.00 | 3 | -0.40 | 40 | -16.00 | |
|  Thenuka, Kuruwita Gamalathge Kin | | | 1701 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Pelagewatta , T P | | | 1456 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | |  Fernando, J S Aloka | | | 1705 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | |
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) | | | | Sri Lanka National Major Division Chess Championship 2019 - Galle | Galle | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1598 | 5.50 | 7 | 1.03 | 40 | 41.20 | |
| | Fernando, H Gayaru Dulsara | | | 1198 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dissanayaka, M A P Mihiranga | | | 1296 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Karandeniya, Praveen Nuwanjana | | | 1430 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Nethsara, R Navod | | | 1391 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Madushanka, Harsha | | | 1715 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Deshappriya, D Kalindu | | | 1477 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Lamahewa, C | | | 1832 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | * 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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