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Individual Calculations October 2014 |
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| Roshan, K Total change: -9.20 | |   |
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| National Amateur Chess Championship 2014 | Colombo | SRI | 2014-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1396 | 1.00 | 4 | -0.23 | 40 | -9.20 | |
|  De Silva, Elath Mathanga | | | 1796 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerakoon, D D P | | | 1641 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Piyumantha, M Thisal Manjith | | | 1174 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Abhimanyu, Iraja | | | 1674 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | * 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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