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Individual Calculations May 2012 |
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| Bandara, A J S D Total change: -73.80 | |   |
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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 |
| 1918 | 1794 | 1.50 | 4 | 0.15 | 30 | 4.50 | |
|  Hettiarachchi, A U | | | 1981 | SRI | 0.50 | 1 | 0.24 | 30 | 7.20 | |  Ranasinghe, C N | | | 1806 | SRI | 0.50 | 1 | 0.02 | 30 | 0.60 | | | Lamawansa, Yasas | | | 1946 | SRI | 0.50 | 1 | 0.20 | 30 | 6.00 | | | Alahakoon, Isuru | | | 1937 | SRI | 0.00 | 1 | -0.31 | 30 | -9.30 | |
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 |
| 1761 | 1794 | 2.50 | 9 | -2.39 | 30 | -71.70 | |
| | De Silva, Rasheen | | | 1957 | SRI | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Dilshan, Akhila | | | 1585 | SRI | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Mendis, Wg Chinthaka | | | 1935 | SRI | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Gunasinghe, Wats | | | 1920 | SRI | 0.00 | 1 | -0.33 | 30 | -9.90 | | | Kuruppu, Supun Dasantha | | | 1606 | SRI | 0.50 | 1 | -0.24 | 30 | -7.20 | | | Herath, Hmak | | | 1702 | SRI | 0.50 | 1 | -0.13 | 30 | -3.90 | | | Naotunna, Dn | | | 1647 | SRI | 0.50 | 1 | -0.20 | 30 | -6.00 | | | Thiyanga, Kaveen | | | 1751 | SRI | 0.00 | 1 | -0.56 | 30 | -16.80 | | | Doluweera, Minul Sanjula | | | 1745 | SRI | 0.00 | 1 | -0.57 | 30 | -17.10 | |
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 | | National Youth Chess Championship 2012 Under 16 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1794 | 5.00 | 8 | -0.44 | 15 | -6.60 | |
| | Dherasooriya, U L D K | | | 1460 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Walisundara, W M U | | | 1792 | SRI | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Hansaka, W A Melan | | | 1394 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Kumara, M H N | | | 1689 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Ranasinghe, P K | | | 1593 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Ariyawansa, K A P M | | | 1873 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Sulochana, H L G Sakula | | | 1626 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Ranasinghe, P M | | | 1702 | SRI | 0.00 | 1 | -0.63 | 15 | -9.45 | | | * 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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