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Individual Calculations October 2018 |
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| Weerawardana, Oneli Vihanga Total change: 17.20 | |   |
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| 4th Negambo International Chess Festival 2018 | Negambo | SRI | 2018-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1409 | 1160 | 1.00 | 3 | 0.43 | 40 | 17.20 | |
|  Chamathka, Weerasinghe A Chethan | | | 1378 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Wijerathne, Surath | | | 1444 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Katugampola, A H | | | 1406 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |
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) | | |
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