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Individual Calculations September 2015 |
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| Gamage, Ovin Vidmal Total change: -21.60 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1425 | 2.50 | 5 | -0.54 | 40 | -21.60 | |
|  Fernando, L V M | | | 1614 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Wimaladharma, W Jithain Oshadha | | | 1032 | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Punchihewa, Geeneth Devmika | | | 1175 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Perera, D Upashan L | | | 1179 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Liyanage, Ranindu Dilshan | | | 1622 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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