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Individual Calculations July 2015 |
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| Kandearachchi, Jayanga Total change: -21.80 | |   |
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| 5th Dhamso International Chess Festival 2015 | Ambalangoda | SRI | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1698 | 4.50 | 7 | 0.58 | 40 | 23.20 | |
|  Jayathilaka, Thakshila Nadeeshan | | | 1312 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Vinod, G | | | 2008 | IND | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Weerakkody, Dulini Dayalu | | | 1392 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Wimalasuriya, Kasun M. | c | | 1849 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Abhimanyu, Iraja | | | 1540 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | De Silva, Nirosh | f | | 2098 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Iddamalgoda, I D S | | | 1298 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | NOTE: K factor changed | | National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1698 | 1.50 | 6 | -2.25 | 20 | -45.00 | |
| | Peiris, T S S | f | | 2026 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Wimalasuriya, M Sachithra | | | 1443 | SRI | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Nirmalarajah, S | | | 1621 | SRI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Raheem, T Akeel | | | 1567 | SRI | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Weerakoon, R K B | | | 1535 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Sandeepa, Haputhanthrige N Akshi | | | 1459 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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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