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Individual Calculations March 2011 |
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| Bandara, Dhanushka Total change: 24.50 | |   |
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| 64Squares Chess Challenge - 2011 | Kandy | SRI | 2011-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1807 | 2.00 | 5 | 0.68 | 25 | 17.00 | |
|  De Moraes, Shamine | | | 1966 | SRI | 1.00 | 1 | 0.71 | 25 | 17.75 | |  Weerawardane, R | | | 2148 | SRI | 0.00 | 1 | -0.12 | 25 | -3.00 | | | De Silva, Rasheen | | | 1950 | SRI | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Perera, L N | | | 1945 | SRI | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Alahakoon, Isuru | | | 1964 | SRI | 0.00 | 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) | | | NOTE: K factor changed | | Sri Lanka Junior National Chess Championship 2010 | Colombo | SRI | 2011-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 1807 | 1.00 | 2 | 0.50 | 15 | 7.50 | |
| | Jayasuriya, Dinushka | | | 1873 | SRI | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Rajapakse, R M C M | | | 2184 | SRI | 0.00 | 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) | | |
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