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Individual Calculations September 2015 |
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| Gunasinghe, W A T S Total change: 35.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1887 | 7.50 | 9 | 1.75 | 20 | 35.00 | |
|  Seneviratne, Nivin Sithija | | | 1487 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Perera, U I Himal | | | 1487 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayaweera, Y | | | 1573 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Naotunna, D R | | | 1751 | SRI | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Lamawansa, Yasas | | | 1977 | SRI | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Dassanayake, D M G S | | | 1927 | SRI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | De Silva, Osheen | | | 1909 | SRI | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Munasinghe, Thisura | | | 1829 | SRI | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Randil, Lakshitha | | | 1887 | SRI | 0.50 | 1 | 0.00 | 20 | 0.00 | | | * 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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