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Individual Calculations May 2010 |
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| Kuruwitage, Yasas Kalana Total change: 13.95 | |   |
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| Sri Lanka Open Chess Championship | Kandy | SRI | 2010-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1912 | 2.50 | 4 | 1.19 | 15 | 17.85 | |
|  Krishna, C R G | | | 2197 | IND | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Mallawarachchi, T S | | | 2029 | SRI | 0.50 | 1 | 0.16 | 15 | 2.40 | |  Bhagya, Viman | | | 1992 | SRI | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Tennakoon, I L K | | | 1972 | SRI | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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 Major Division Colombo Chess Championship 2010 | Colombo | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1912 | 2.00 | 4 | -0.26 | 15 | -3.90 | |
| | Perera, Panchali | | | 1530 | SRI | 0.50 | 1 | -0.41 | 15 | -6.15 | | | Jayasundara, Pkum | | | 1943 | SRI | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Jayawardana, Mihiranga | | | 1945 | SRI | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Alahakoon, Isuru | | | 1954 | SRI | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | |
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