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Individual Calculations May 2012 |
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| Karunarathne, W M V W B Total change: 47.40 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Kandy | Kandy | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1783 | 3.50 | 6 | 1.27 | 30 | 38.10 | |
|  Perera, L N | | | 1949 | SRI | 1.00 | 1 | 0.72 | 30 | 21.60 | | | Lamawansa, Yasas | | | 1946 | SRI | 0.50 | 1 | 0.22 | 30 | 6.60 | |  Bandara, A J K D | | | 1825 | SRI | 1.00 | 1 | 0.56 | 30 | 16.80 | | | Fonseka, C K D | | | 1890 | SRI | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Bandara, Dhanushka | | | 1849 | SRI | 0.50 | 1 | 0.09 | 30 | 2.70 | | | Ranasinghe, C N | | | 1806 | SRI | 0.50 | 1 | 0.03 | 30 | 0.90 | |
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) | | | NOTE: K factor changed | | Sri Lanka National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1783 | 2.50 | 6 | 0.62 | 15 | 9.30 | |
| | De Silva, Elath Mathanga | | | 1946 | SRI | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Koggala, Wsvk | | | 2020 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Prabajith, Asela | | | 1858 | SRI | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Lamahewa, C | | | 1853 | SRI | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Munasinghe , Lahiru | | | 1933 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Mendis, Wg Chinthaka | | | 1935 | SRI | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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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