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Individual Calculations March 2011 |
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| Perera, B S Total change: 3.50 | |   |
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| 4th Colombo International Chess Festival 2011 | Colombo | SRI | 2011-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1548 | 0.50 | 3 | 0.14 | 25 | 3.50 | |
|  Lasitha, Subash | | | 1874 | SRI | 0.50 | 1 | 0.37 | 25 | 9.25 | |  Thrimavitharana, Ravin | | | 1857 | SRI | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Premachandra, G T D | | | 1932 | SRI | 0.00 | 1 | -0.09 | 25 | -2.25 | |
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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