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Individual Calculations May 2012 |
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| Lamawansa, Yasas Total change: -4.35 | |   |
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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 |
| 1761 | 1946 | 4.50 | 7 | -0.62 | 15 | -9.30 | |
|  Thawalampola, Banuka Neranjan | | | 1555 | SRI | 1.00 | 1 | 0.09 | 15 | 1.35 | |  Kalubowila, K H N | | | 1753 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Karunarathne, W M V W B | | | 1783 | SRI | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Prabajith, Asela | | | 1843 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Bandara, A J S D | | | 1794 | SRI | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Ranasinghe, C N | | | 1806 | SRI | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Walisundara, W M U | | | 1792 | SRI | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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 |
| 1900 | 1937 | 5.50 | 10 | 0.10 | 15 | 1.50 | |
| | Thiyanga, Kaveen | | | 1751 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Meegastenna, Tharindu | | | 1573 | SRI | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Edirisinghe, Dulan | | | 2036 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Jayasundara, Pkum | | | 2012 | SRI | 0.00 | 1 | -0.40 | 15 | -6.00 | | | De Silva, Elath Mathanga | | | 1946 | SRI | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Weerawardena, R | | | 2105 | SRI | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Alahakoon, Isuru | | | 1957 | SRI | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Wijekoon, Chandana | | | 1997 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Munasinghe, Shanaka | | | 1813 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Ranasinghe, Cn | | | 1814 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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 18 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1937 | 5.00 | 7 | 0.23 | 15 | 3.45 | |
| | Ramyasiri, Kaveen Poorna | | | 1537 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Thiyanga, Kaveen | | | 1751 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Bandara, A J K D | | | 1825 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Subasinghe, K R V R | | | 1874 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Munasinghe, Shanaka | | | 1813 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Ranasinghe, C N | | | 1814 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | * 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) | | |
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