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Individual Calculations October 2018 |
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| Wijesinghe, W A D Sumudu Total change: -13.60 | |   |
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| 4th Negambo International Chess Festival 2018 | Negambo | SRI | 2018-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1087 | 1343 | 3.50 | 4 | 0.25 | 40 | 10.00 | |
|  Mendis, Sandanu | | | 1059 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | |  Rathnayaka, Minaga Yethmin | | | 1044 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Liyanage, Deshani Sanjula | | | 1133 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Attanayake, Chanindi Mewna | | | 1110 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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) | | | | Sri Lanka Junior Girls National Chess Championship 2018 | Colombo | SRI | 2018-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1175 | 1343 | 3.00 | 5 | -0.59 | 40 | -23.60 | |
| | Poththewala, Chamindi | | | 1199 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Liyanage, Deshani Sanjula | | | 1133 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Rathnayake, Maheesha Pabodhini | | | 1238 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Akuratiya, A G Javindi Avarjana | | | 1130 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Wijesekara, Dinuka Sewmini | | | 1176 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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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