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Individual Calculations March 2015 |
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| Gamage, Ovin Vidmal Total change: 40.00 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1271 | 0.00 | 3 | -0.39 | 40 | -15.60 | |
|  Gamage, Chathulanka | | | 1671 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Methmani, Nelunika | | wm | 1671 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Naotunna, D R | | | 1486 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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 |
| 1486 | 1324 | 3.50 | 7 | 1.39 | 40 | 55.60 | |
| | Ellawela, Suveen | | | 1654 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Senavin, Dunura | | | 1512 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Perera, Sehath Sanvidu R A D | | | 1111 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Dayarathne, D M S N | | | 1606 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Charith, Dilshan | | | 1547 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Perera, Tharusha Salinda | | | 1426 | SRI | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Hasanga, K. M. Harith | | | 1546 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | |
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) | | |
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