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Individual Calculations October 2017 |
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| De Silva, Osheen Total change: -54.20 | |   |
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| Southern International Chess Championship 2017 | Galle | SRI | 2017-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1902 | 6.00 | 8 | -0.86 | 20 | -17.20 | |
|  Chamikara, S M P Janith | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Indusara, M G Janitha | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abeysekera, Randika Nuwanthi | | | 1511 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Fernando, J M Marlon P | | | 1789 | SRI | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Ranasinghe, P K | | | 1569 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Lakshitha, H H Sasindu | | | 1718 | SRI | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Pathmasiri, R D Isuru Saranga | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Waranga, M G Yasasmi | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1563 | 1902 | 6.00 | 9 | -1.85 | 20 | -37.00 | |
| | Hapugala, H A D K | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Anver, Ali | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pathirana, Hasitha Jayanth | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nanayakkara, J A G Ganganath | | | 1632 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Thenuka, Kuruwita Gamalathge Kin | | | 1578 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Kodithuwakku, Himsara | | | 1502 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Koggala, W S T N | | | 1543 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kumara, C M S Praneeth | | | 1775 | SRI | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Kodithuwakku, Lisara | | | 1530 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | | | * 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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