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Individual Calculations March 2011 |
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| Senanayaka, P D Total change: -19.95 | |   |
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| 64Squares Chess Challenge - 2011 | Kandy | SRI | 2011-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1846 | 0.00 | 1 | -0.15 | 15 | -2.25 | |
|  Weerawardane, R | | | 2148 | SRI | 0.00 | 1 | -0.15 | 15 | -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) | | | | 4th Colombo International Chess Festival 2011 | Colombo | SRI | 2011-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1846 | 0.00 | 2 | -1.18 | 15 | -17.70 | |
| | De Silva, Osheen | | | 1972 | SRI | 0.00 | 1 | -0.33 | 15 | -4.95 | |  Perera, Panchali | | | 1549 | SRI | 0.00 | 1 | -0.85 | 15 | -12.75 | |
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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