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Individual Calculations May 2015 |
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| Perera, S D Lahiru Total change: -27.60 | |   |
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| National Youth Championships 2015 - Open Under 12 | Colombo | SRI | 2015-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1130 | 1230 | 2.50 | 5 | -0.69 | 40 | -27.60 | |
|  Nethsara, W M Daham | | | 1158 | SRI | 0.00 | 1 | -0.60 | 40 | -24.00 | |  Hansaja, G I D Ravindu | | | 1146 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Ekanayake, E M Pathum Malshan | | | 1098 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Fernando, Vanuja Vinath | | | 1099 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Wijayawardana, Dineth Chanal | | | 1150 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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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