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Individual Calculations March 2015 |
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| Naotunna, D R Total change: 177.20 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1486 | 5.00 | 8 | 1.68 | 40 | 67.20 | |
|  Devnaka, Chamin | | | 1086 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Ranasinghe, S D | | wm | 1874 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Thilakarathne, G M S | | | 1837 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Wickramasinghe, Dilhara Ishini | | wf | 1686 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Madusanka, L D P | | | 1699 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Kandeeban, Sivasothy | | | 1332 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Gamage, Ovin Vidmal | | | 1271 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Hettiarachchi, C U | | | 1676 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1670 | 1448 | 4.50 | 7 | 2.75 | 40 | 110.00 | |
| | Gunaratne, Mojitha Sathsara | c | | 1848 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Pinto, Semuthu | | | 1767 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Ellawela, Suveen | | | 1654 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Perera, S D Yasith Jayashan | | | 1274 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Ekanayake, A M B | | | 1747 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Abhimanyu, Iraja | | | 1580 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | De Silva, Rasheen | | | 1817 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | * 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) | | |
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