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Individual Calculations March 2015 |
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| Gunarathna, D A Viraj Darshana Total change: -19.00 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1538 | 5.00 | 9 | -0.37 | 20 | -7.40 | |
|  Marapana, Sanupa Bimsath | | | 1148 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Gunasinghe, W A T S | | | 1895 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Perera, S D Tharindu | | | 1232 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Pallie, Tuan Ehshan | | | 1331 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Karunarathna, Chathupa Induwara | | | 1744 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Balasuriya, Thenuka Yasas Prabod | | | 1284 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Amarasinghe, A A C B | | | 1877 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Silva, M.m. Dhanika Sri Kalhara | | | 1308 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Silva, Kevin Ranidu | c | | 1332 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | |
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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1401 | 1554 | 5.50 | 9 | -0.58 | 20 | -11.60 | |
| | Bentharaarachchi, Vinuga Ometh | | | 1168 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Viduranga, K Voshan | | | 1167 | SRI | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Yatawaka, U Sirinama | | | 1236 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Naushad, Thalaal | | | 1339 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Ranasinghe, Anuga Gavindith | | | 1418 | SRI | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Madusanka, L D P | | | 1709 | SRI | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Amarasinghe, A A C B | | | 1851 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Pallie, Tuan Ehshan | | | 1390 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Fernando, W Kavindu | | | 1332 | SRI | 1.00 | 1 | 0.22 | 20 | 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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