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Individual Calculations May 2012 |
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| Ediriweera, Shakthi Total change: 21.15 | |   |
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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 |
| 1585 | 1875 | 5.00 | 7 | -0.82 | 15 | -12.30 | |
|  Wijesinghe, Sadaru J | | | 1475 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Gunarathna, Dilshan Akila | | | 1585 | SRI | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Ratnayake, Nadeesh Sahan | | | 1484 | SRI | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Gamage, Niketh | | | 1628 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Kumara, Sisira | | | 1769 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Obeysekara, T A Sajith Chathuran | | | 1625 | SRI | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Deegoda, S R | | | 1527 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | * 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) | | | | Sri Lanka National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1850 | 5.50 | 9 | 1.22 | 15 | 18.30 | |
| | Kurukulasuriya, Prasanna | | | 2078 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Doluweera, Minul Sanjula | | | 1745 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Gunasinghe, Ws | | | 1785 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Rathnasekara, Abhimanyu | | | 1766 | SRI | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Thilakarathne, Gms | | | 1657 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | De Silva, Elath Mathanga | | | 1946 | SRI | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Munasinghe , Lahiru | | | 1933 | SRI | 0.50 | 1 | 0.11 | 15 | 1.65 | | | De Silva, Rasheen | | | 1957 | SRI | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Perera, Ln | | | 1949 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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) | | | | 2nd Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1850 | 4.00 | 6 | 1.01 | 15 | 15.15 | |
| | Kalansooriya, C S | | | 1465 | SRI | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Anuruddha, G C | | | 2098 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Weerakoon, D D P | | | 1678 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Priyankara, Chamil | | | 1892 | SRI | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Miraj, D A | | | 1980 | SRI | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Gunasinghe, W A T S | | | 1920 | SRI | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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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