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Individual Calculations September 2015 |
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| Perera, Tharusha Salinda Total change: -11.60 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1466 | 2.00 | 6 | -0.29 | 40 | -11.60 | |
|  Anojman, S. | | | 1707 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Jayasekara, J A Hesara Nadil | | | 1129 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Naotunna, D R | | | 1751 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Devnaka, Chamin | | | 1178 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Lasitha, Subash | c | | 1793 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | De Silva, Osheen | | | 1866 * | SRI | 0.00 | 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) | | |
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