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Individual Calculations July 2015 |
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| Amarasinghe, A A C B Total change: 13.20 | |   |
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| National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1829 | 6.00 | 10 | 0.66 | 20 | 13.20 | |
|  Wimalasuriya, M Sachithra | | | 1443 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Peiris, T S S | f | | 2026 | SRI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Madanperuma, M A Sunera | | | 1429 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Osheen | | | 1888 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Gamage, H Charanga Jithmal | | | 1653 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Thilakarathne, G M H | c | | 1950 | SRI | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Theekshana, H G Denuwan | | | 1654 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Hapuarachchi, H L M | | | 1900 | SRI | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Liyanapathirana, Pasan Vindula | | | 1847 | SRI | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Kurukulasuriya, Prasanna | f | | 2102 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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