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Individual Calculations March 2015 |
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| Epa, W Buthmi J Total change: -0.80 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1471 | 1140 | 0.00 | 3 | -0.37 | 40 | -14.80 | |
|  Lakmal, M A C | | | 1532 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Amarasena, Y Mathila Yubath | | | 1436 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Perera, L Lithmal Wansika | | | 1444 | SRI | 0.00 | 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 |
| 1316 | 1140 | 1.50 | 4 | 0.35 | 40 | 14.00 | |
|  Premasinghe, S K A D N N | | | 1098 | SRI | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Senarath, B T A Y | | | 1397 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Sarathchandra, Thihansa Dewwanth | | | 1326 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Madurapperuma, M A D Maheshika L | | | 1442 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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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