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Individual Calculations September 2015 |
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| Abhimanyu, Iraja Total change: -26.80 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1524 | 1576 | 4.50 | 7 | 0.59 | 20 | 11.80 | |
|  Perera, D Upashan L | | | 1179 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dassanayake, D M G S | | | 1927 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Deraniyagala, Vimukthi Prathap | | | 1289 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Dahanayake, Kalindu | | | 1443 | SRI | 1.00 | 1 | 0.32 | 20 | 6.40 | | | De Silva, Rasheen | | | 1772 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Anojman, S. | | | 1707 | SRI | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Kalinga, Kalindu Kusalwin | | | 1348 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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 |
| 1253 | 1576 | 5.00 | 8 | -1.93 | 20 | -38.60 | |
| | Ananth, Sivananthan Diness | | | 1176 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dissanayake, V R Sadun Madushank | | | 1299 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Jayawickrama, U W R K | | | 1289 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Pathirana, Hasitha Jayanth | | | 1320 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Marapana, Sanupa Bimsath | | | 1176 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Weerasinghe, W M Sathira M | | | 1244 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Beligaswatte, B.a.m.k.d | | | 1297 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Mesandu, W M Senod | | | 1223 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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