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Individual Calculations March 2011 |
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| Seneviratne, Binura Total change: 23.25 | |   |
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| 64Squares Chess Challenge - 2011 | Kandy | SRI | 2011-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1714 | 1.00 | 3 | 0.45 | 25 | 11.25 | |
|  Mallawarachchi, T S | | | 1997 | SRI | 0.50 | 1 | 0.34 | 25 | 8.50 | |  Tennakoon, I L K | | | 1980 | SRI | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Gunasinghe, S R | | | 1945 | SRI | 0.50 | 1 | 0.29 | 25 | 7.25 | |
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 Junior National Chess Championship 2010 | Colombo | SRI | 2011-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1714 | 2.00 | 4 | 0.48 | 25 | 12.00 | |
| | Lahiru, N P G Sithija | | | 1428 | SRI | 1.00 | 1 | 0.16 | 25 | 4.00 | | | Jayasundara, P K U M | | | 1949 | SRI | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Kuruwitage, Yasas Kalana | | | 1894 | SRI | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Munasinghe, Lahiru | | | 1947 | SRI | 0.00 | 1 | -0.21 | 25 | -5.25 | |
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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