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Individual Calculations March 2015 |
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| Sarathcandra, Gihansa Methwanthi Total change: -21.20 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1299 | 0.00 | 4 | -1.05 | 40 | -42.00 | |
|  Weerasinghe, C C | | | 1554 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Herath, H M S S A | | | 1520 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Tennakoonwela, Pamudie Sasankha | | | 1422 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Wijesuriya, G P Y | | | 1444 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | Women's Qualifying 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1303 | 1294 | 2.50 | 4 | 0.52 | 40 | 20.80 | |
| | Rajapaksa, Miyuni Kavinya | | | 1628 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Peiris, P Adithya Shenali | | | 1010 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Hettige, Indushika Anjani | | | 1114 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Kodikara, K K M Sachintha | | wc | 1461 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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