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Individual Calculations September 2015 |
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| Pavalachandran, Ashvini Total change: 18.80 | |   |
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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 |
| 1288 | 1233 | 3.50 | 7 | 0.47 | 40 | 18.80 | |
|  Kodikara, K K M Sachintha | | wc | 1439 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Herath, Sanduni | | | 1210 | SRI | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Senarath, B T A Y | | | 1477 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Jayasundara, K M Sohanee Divyana | | | 1137 | SRI | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Dissanayake, Ananya Anjuli | | | 1234 | SRI | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Lakmini, K K | | | 1352 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Chamathka, Weerasinghe A Chethan | | | 1167 | SRI | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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 |
| 1389 | 1233 | 2.00 | 6 | 0.00 | 40 | 0.00 | |
| | Samaranayake, K P R N | | | 1633 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Subasinghe, D D C H | | | 1633 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Balasuriya, Sajini Hasara | | | 1472 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Dissanayake, D M M S | | | 1089 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Fernando, J S Aloka | | | 1414 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Senura, H G Dilshan | | | 1092 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | * 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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