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Individual Calculations September 2015 |
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| Samarakkody, S W Miyuru Avishka Total change: 0.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1196 | 0 | 0.50 | 4 | 0.00 | 874 | | 0.00 | |
|  Nethsara, W M Daham | | | 1185 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayatissa, Chanuth Devnaka | | | 1211 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Lakshan, G Dilina Udeepa | | | 1292 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Hettige, Indushika Anjani | | | 1096 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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 Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1172 | 0 | 1.50 | 6 | 0.00 | 979 | | 0.00 | |
| | Chamathka, Weerasinghe A Chethan | | | 1167 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Iru Kumarasiri, W M G | | | 1339 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Jayathissa, Pehesara | | | 1143 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Chandrajith, B P L | | | 1121 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Weerasinghe, Gimshan | | | 1141 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Balasooriya, N B Aritha Binusara | | | 1120 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | |
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