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Individual Calculations September 2015 |
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| Senarath, B T A Y Total change: -24.80 | |   |
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| National Women's Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1477 | 5.00 | 8 | -0.36 | 40 | -14.40 | |
|  Sanudula, K M Dahamdi | | | 1180 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | |  Abeysinghe, H M H Janandani | | | 1462 | SRI | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Rathnayake, Nevindi Gihansa | | | 1218 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Pavalachandran, Ashvini | | | 1233 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Pallie, Ehsha Mishela | | wc | 1272 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Rodrigo, T M Janudi | | | 1379 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Askey, Roshell Nathasha | | | 1528 | SRI | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Kodikara, K K M Sachintha | | wc | 1439 | SRI | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1298 | 1477 | 6.00 | 9 | -0.26 | 40 | -10.40 | |
| | Balasooriya, N B Aritha Binusara | | | 1120 | SRI | 0.00 | 1 | -0.89 | 40 | -35.60 | | | Liyanage, Pesandu Rashmitha | | | 1077 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hewageegana, Himaya | | | 1200 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Prasanna, H G Ajith | | | 1083 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Madusanka, L D P | | | 1740 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wickramasinghe, Sonal | | | 1273 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Liyanagama, Pasandul | | | 1119 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Weerasinghe, C C | | | 1706 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Roshan, K | | | 1366 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | | | * 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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