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Individual Calculations September 2015 |
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| Jayatilaka, W M M Amodya Total change: 16.40 | |   |
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| Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1124 | 1.50 | 5 | 0.41 | 40 | 16.40 | |
|  Pasqual, Anuki | | | 1480 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Roshan, K | | | 1366 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Iru Kumarasiri, W M G | | | 1339 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Lakshan, G Dilina Udeepa | | | 1292 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Karunarathne, D D W Gamini | | | 1303 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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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