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Individual Calculations May 2012 |
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| Saranga, N C O Total change: 10.20 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Galle | Galle | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1952 | 4.50 | 6 | -0.36 | 15 | -5.40 | |
|  Ranasinghe, P K | | | 1593 | SRI | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Ranmith, W S | | | 1738 | SRI | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Piyumantha, M Sasith Nipun | | | 1552 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Wimalasuriya, Kasun M | | | 1604 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Thilakarathne, D G D Chamil | | | 1643 | SRI | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Mendis, W G Chinthaka | | | 1935 | SRI | 0.50 | 1 | -0.02 | 15 | -0.30 | | | * 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 |
| 1971 | 1954 | 7.00 | 10 | 2.35 | 15 | 35.25 | |
| | Kumara, Sisira | | | 1792 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Thawalampola, Banuka Neranjan | | | 1555 | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Anuruddha, ,gc | | | 2098 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Koggala, Wsvk | | | 2020 | SRI | 0.50 | 1 | 0.09 | 15 | 1.35 | | | De Silva, Osheen | | | 1889 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Edirisinghe, Dulan | | | 2036 | SRI | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Weerawardena, R | | | 2105 | SRI | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Kalugampitiya, Rs | | | 2126 | SRI | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Jayasundara, Pkum | | | 2012 | SRI | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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 | 1954 | 5.00 | 13 | -0.62 | 15 | -9.30 | |
| | Perera, W C C | | | 2126 | SRI | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Weeramantry, Sunil | f | | 2177 | SRI | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Anuruddha, G C | | | 2098 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Kalugampitiya, R S | | | 2126 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Wijekoon, Chandana | | | 1997 | SRI | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Edirisinghe, Dulan | | | 2036 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Koggala, W S V K | | | 2020 | SRI | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Jayasundara, P K U M | | | 2012 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Madumadha, M Chaithika Samith | | | 1893 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Alahakoon, Isuru | | | 1957 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Wimalasuriya, Kasun M | | | 1604 | SRI | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 1.00 | 1 | 0.67 | 15 | 10.05 | | | De Silva, Osheen | | | 1889 | 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) | | | | 2nd Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1954 | 5.00 | 7 | -0.69 | 15 | -10.35 | |
| | Guruge, Nalaka Neranjan | | | 1633 | SRI | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Rathnasekara, Abimanyu | | | 1766 | SRI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Wimalasuriya, Kasun M | | | 1604 | SRI | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Yashora, Tiumi | | | 1747 | SRI | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Malhara, W A Hansana | | | 1554 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Tribuwan, T W Helik | | | 1732 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Maheshika, D M P | | | 1791 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | * 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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