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Individual Calculations September 2015 |
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| Nethsara, W M Daham Total change: -16.80 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1544 | 1185 | 0.00 | 4 | -0.42 | 40 | -16.80 | |
|  Ekanayake, A M B | | | 1585 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Askey, Raveen Nimesh | | | 1530 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Weerakoon, D D P | | | 1585 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, Manusha Dinuk | | | 1477 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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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