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Individual Calculations July 2015 |
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| Wijesinghe, G B Total change: -10.00 | |   |
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| National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1667 | 3.50 | 9 | -0.50 | 20 | -10.00 | |
|  Naotunna, Dineth Nimnaka | | | 2006 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Selvakumar, Thangarajah | | | 1320 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Nanayakkara, J A K Saranath | | | 1872 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Thilakarathne, G M S | | | 1890 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Amarasekara, Lakmal | | | 1540 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Prabajith, Asela | | | 1845 | SRI | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Theekshana, H G Denuwan | | | 1654 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Ranasinghe, S D | | wm | 1813 | SRI | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Sandeepa, Haputhanthrige N Akshi | | | 1459 | SRI | 0.00 | 1 | -0.77 | 20 | -15.40 | |
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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