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Individual Calculations September 2015 |
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| Weerasooriya, Senith D Jagoda Total change: 4.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1253 | 1010 | 1.00 | 2 | 0.54 | 40 | 21.60 | |
|  Weerasinghe, Chamath | | | 1410 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hettige, Indushika Anjani | | | 1096 | SRI | 1.00 | 1 | 0.62 | 40 | 24.80 | | | * 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) | | | | 6th Kandy Open International Rating Chess Championship | Kandy | SRI | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1010 | 0.00 | 3 | -0.44 | 40 | -17.60 | |
| | Yapa Bandara, Chamodya | | | 1410 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Silva, R B V Nimsara | | | 1300 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Sanjaya, W M Lanknath | | | 1252 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * 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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