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Individual Calculations September 2015 |
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| De Silva, Thenuki Hirunima Total change: 16.40 | |   |
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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 |
| 1232 | 1106 | 2.00 | 6 | -0.07 | 40 | -2.80 | |
|  Pallie, Ehsha Mishela | | wc | 1272 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | |  Rodrigo, T M Janudi | | | 1379 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Karunarathna, Nuthara Dulandee | | | 1074 | SRI | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Wijesuriya, G P Y | | | 1384 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Herath, Sanduni | | | 1210 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Hetti Arachchige, Thisumi S | | | 1071 | 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 |
| 1349 | 1106 | 1.50 | 5 | 0.48 | 40 | 19.20 | |
| | Kodikara, K K M Sachintha | | wc | 1439 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Jayawickrama, U W R K | | | 1289 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Fonseka, Rashan | | | 1278 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Sandaruwan, K A Sachintha | | | 1319 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Ranasinghe, Anuga Gavindith | | | 1421 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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) | | |
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