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Individual Calculations May 2012 |
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| Gunaratne, Mojitha Sathsara Total change: 7.95 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Colombo | Colombo | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1686 | 1.50 | 3 | -0.05 | 15 | -0.75 | |
|  Dissanayake, R S | | | 1978 | SRI | 0.00 | 1 | -0.15 | 15 | -2.25 | |  Ranathunga, Vidusha Hirushan | | | 1572 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Wijerathne, Surath | | | 1501 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | Sri Lanka National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1674 | 4.50 | 10 | 1.39 | 15 | 20.85 | |
| | Ranasinghe, Sd | | wm | 1913 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Lamahewa, C | | | 1853 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Kumara, Sisira | | | 1792 | SRI | 1.00 | 1 | 0.66 | 15 | 9.90 | | | De Silva, Gihan | | | 1993 | SRI | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Dissanayake, Rdac | | | 1813 | SRI | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Liyanage, Np | | | 1905 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Thiyanga, Kaveen | | | 1751 | SRI | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Deshapriya, Sr | | | 1802 | SRI | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Dilshan, Akhila | | | 1585 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Liyanapathirana, Kasun | | | 1817 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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) | | | | National Youth Chess Championship 2012 Under 14 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1674 | 2.00 | 4 | -0.81 | 15 | -12.15 | |
| | Karunarathna, Chathapa Indawara | | | 1537 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Hasanga, K M Harith | | | 1534 | SRI | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Dilhara, R M Themiya | | | 1505 | SRI | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Ellawela, Chaveen | | | 1504 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | |
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