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Individual Calculations March 2015 |
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| Premaratne, Savin Vindiya Total change: -16.80 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1176 | 1.00 | 5 | 0.19 | 40 | 7.60 | |
|  De Silva, J I Ajantha | | | 1576 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Senavin, Dunura | | | 1501 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Weerasinghe, Diyoni S K | | | 1442 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Perera, U I Himal | | | 1410 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Pasqual, Anuki | | | 1410 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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 |
| 1403 | 1176 | 0.50 | 5 | -0.61 | 40 | -24.40 | |
| | Anojman, S. | | | 1569 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pallie, Tuan Ehshan | | | 1390 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Dissanayake, Kamesh Janaja | | | 1367 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Tharanga, B Nalin | | | 1358 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Fernando, W Kavindu | | | 1332 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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