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Individual Calculations May 2012 |
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| Alahakoon, Isuru Total change: 92.55 | |   |
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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 |
| 1800 | 1937 | 5.50 | 7 | 0.76 | 15 | 11.40 | |
|  Karunarathne, K M D B | | | 1627 | SRI | 1.00 | 1 | 0.14 | 15 | 2.10 | |  Walisundara, W M U | | | 1792 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Prabajith, Asela | | | 1843 | SRI | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Bandara, Dhanushka | | | 1849 | SRI | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Ranasinghe, C N | | | 1806 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Bandara, A J S D | | | 1794 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Fonseka, C K D | | | 1890 | SRI | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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 |
| 1949 | 1957 | 6.50 | 10 | 1.39 | 15 | 20.85 | |
| | Deshapriya, Sr | | | 1802 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Munasinghe, Shanaka | | | 1813 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Anuruddha, ,gc | | | 2098 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Chandrarathne, Wsn | | | 1892 | SRI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Fernando, Sk Akila | | | 2046 | SRI | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Wijekoon, Chandana | | | 1997 | SRI | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Lamawansa, Yasas | | | 1937 | SRI | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Kalugampitiya, Rs | | | 2126 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | De Silva, Osheen | | | 1889 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Madumadha, Chaithika Samith | | | 1893 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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 Chess Championship 2012 | Colombo | SRI | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1957 | 9.00 | 13 | 3.34 | 15 | 50.10 | |
| | De Silva, Osheen | | | 1889 | SRI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Perera, W C C | | | 2126 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Weeramantry, Sunil | f | | 2177 | SRI | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Anuruddha, G C | | | 2098 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Kalugampitiya, R S | | | 2126 | SRI | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Wijekoon, Chandana | | | 1997 | SRI | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Edirisinghe, Dulan | | | 2036 | SRI | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Koggala, W S V K | | | 2020 | SRI | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Jayasundara, P K U M | | | 2012 | SRI | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Saranga, N C O | | | 1954 | SRI | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Madumadha, M Chaithika Samith | | | 1893 | SRI | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Wimalasuriya, Kasun M | | | 1604 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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) | | | | 2nd Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1957 | 4.00 | 5 | 0.68 | 15 | 10.20 | |
| | Perera, Piruna Kamala | | | 1606 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Maheshika, D M P | | | 1791 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Lamahewa, C | | | 1853 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Anuruddha, G C | | | 2098 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Manawadu, Dilhan | | | 1756 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | |
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