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Individual Calculations March 2015 |
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| Premasinghe, S K A D N N Total change: -28.00 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1249 | 1098 | 1.00 | 3 | 0.10 | 40 | 4.00 | |
|  Choksy, Anaisha | | | 1275 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |  Sarathchandra, Thihansa Dewwanth | | | 1273 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Gayantha, A A D Kalhara | | | 1198 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | Women's Qualifying 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1098 | 0.00 | 3 | -0.80 | 40 | -32.00 | |
| | Epa, W Buthmi J | | | 1140 | SRI | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Bandara, R M Nisakya | | | 1462 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Perera, Hansini | | | 1284 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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