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Individual Calculations March 2015 |
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| Lakmini, K K Total change: 41.60 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1303 | 1.50 | 5 | 0.34 | 20 | 6.80 | |
|  Fernando, J M Marlon P | | | 1703 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Palipana, Kethaka | | | 1488 | SRI | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Lakmal, M A C | | | 1532 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Wijesuriya, G P Y | | | 1444 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Perera, A K L A | | | 1450 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | | | * 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) | | | | Women's Qualifying 2015 Galle | Galle | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1314 | 4.00 | 6 | 1.74 | 20 | 34.80 | |
| | Gunasekara, T D Prasadi De Silva | | | 1127 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Jayawardane, Dilmi Udaransi | | | 1588 | SRI | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Sirimewan, K Hasareli | | | 1379 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Jayaweera, Sayuni Gihansa | | wc | 1475 | SRI | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Dewanthi, A H Chamika | | | 1577 | SRI | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Goyumi, Sasika M W | | | 1335 | SRI | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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) | | |
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