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Individual Calculations May 2012 |
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| Madumadha, M Chaithika Samith Total change: 37.35 | |   |
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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 |
| 1615 | 1859 | 4.50 | 6 | -0.23 | 15 | -3.45 | |
|  Punchihewa, Kokila Prageeth | | | 1459 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Inusha, Leshan | | | 1618 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Gunarathna, Dilshan Akila | | | 1585 | SRI | 0.00 | 1 | -0.83 | 15 | -12.45 | | | De Silva, Shelani | | | 1565 | SRI | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Wickramasinghe, Tharindu Nirmal | | | 1646 | SRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Munasinghe, Shanaka | | | 1817 | SRI | 0.50 | 1 | -0.06 | 15 | -0.90 | | | * 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 |
| 1909 | 1893 | 6.50 | 10 | 1.82 | 15 | 27.30 | |
| | Naotunna, Dn | | | 1647 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Jayasundara, Pkum | | | 2012 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Thawalampola, Banuka Neranjan | | | 1555 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Edirisinghe, Dulan | | | 2036 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Subash, Lasitha | | | 1832 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Peiris, Tss | | | 2034 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Fernando, Sk Akila | | | 2046 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Dissanayake, Rs | | | 1978 | SRI | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Wijekoon, Chandana | | | 1997 | SRI | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Alahakoon, Isuru | | | 1957 | 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 |
| 2006 | 1893 | 5.50 | 13 | 0.90 | 15 | 13.50 | |
| | Wijekoon, Chandana | | | 1997 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Edirisinghe, Dulan | | | 2036 | SRI | 1.00 | 1 | 0.69 | 15 | 10.35 | | | De Silva, Osheen | | | 1889 | SRI | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Koggala, W S V K | | | 2020 | SRI | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Perera, W C C | | | 2126 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Jayasundara, P K U M | | | 2012 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Weeramantry, Sunil | f | | 2177 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Saranga, N C O | | | 1954 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Anuruddha, G C | | | 2098 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Alahakoon, Isuru | | | 1957 | SRI | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Kalugampitiya, R S | | | 2126 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Wimalasuriya, Kasun M | | | 1604 | SRI | 0.50 | 1 | -0.34 | 15 | -5.10 | |
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) | | |
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