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Individual Calculations May 2017 |
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| De Silva, Osheen Total change: -54.20 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1664 | 1957 | 3.00 | 6 | -1.98 | 20 | -39.60 | |
|  Thenuka, Kuruwita Gamalathge Kin | | | 1557 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Weerakoon, D D P | | | 1677 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Hettiarachchi, C U | | | 1802 | SRI | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Theekshana, H G Denuwan | | | 1833 | SRI | 0.00 | 1 | -0.67 | 20 | -13.40 | | | De Silva, L M S T | | | 1557 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gammarachchi, O Dewpathi | | | 1557 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1957 | 4.50 | 6 | -0.73 | 20 | -14.60 | |
| | Edirisinghe, Navod | | | 1557 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mathes Arachchi , Bhanila M | | | 1557 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rathnayake, Jeewanthi | | | 1557 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kumarawadu, C S | | | 1557 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Amarasinghe, A A C B | | | 1865 | SRI | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Dahanayake, Isara Banidu | | | 1557 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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