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Individual Calculations March 2015 |
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| Wijerathne, Amandi Ishitha Total change: 54.80 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1124 | 1.50 | 4 | 0.72 | 40 | 28.80 | |
|  Herath, H M S S A | | | 1520 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Naushad, Thalaal | | | 1339 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Roshan, K | | | 1366 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Wijesinghe, Prabodhi Methma | | | 1300 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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 |
| 1404 | 1124 | 1.50 | 5 | 0.65 | 40 | 26.00 | |
| | Askey, Roshell Nathasha | | | 1524 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wijesinghe, W A D Sumudu | | | 1394 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Perera, V Ushara Tharushi | | | 1363 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Wijesuriya, G P Y | | | 1444 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gayanjana, Savindi | | | 1296 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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