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Individual Calculations May 2011 |
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| Samarakoon, U L Total change: 13.20 | |   |
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| Sri Lanka National Youth Under 18 Chess Championship 2011 | Colombo | SRI | 2011-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 1889 | 3.50 | 5 | 0.88 | 15 | 13.20 | |
|  Seneviratne, Binura | | | 1737 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | |  Perera, W C C | | | 2077 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Ranasinghe, S D | | | 1835 | SRI | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Egodage, Keshan | | | 1795 | SRI | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Kuruwita, E Yasas Kalana | | | 1925 | SRI | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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