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Individual Calculations October 2014 |
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| De Silva, Osheen Total change: 34.80 | |   |
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| National Amateur Chess Championship 2014 | Colombo | SRI | 2014-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1898 | 7.00 | 8 | 1.74 | 20 | 34.80 | |
|  Weerakoon, H. M. Santhusha Samad | | | 1498 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayalath, Thusitha Kumara | | | 1578 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Dassanayake, D M G S | | | 1700 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Gunaratne, Mojitha Sathsara | c | | 1806 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Lasitha, Subash | | | 1824 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Priyankara, Chamil | | | 1935 | SRI | 0.50 | 1 | 0.05 | 20 | 1.00 | | | De Silva, Elath Mathanga | | | 1910 | SRI | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Rathnayake, M A A H | | | 1865 | SRI | 0.50 | 1 | -0.05 | 20 | -1.00 | | | * 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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