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Individual Calculations September 2018 |
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| Gamage, A G R Ruwanmith Total change: -17.20 | |   |
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| Kandy Open International Rating Chess Championship 2018 | Kandy | SRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1100 | 0.00 | 3 | -0.52 | 40 | -20.80 | |
|  Sathmina, S L Lalindu | | | 1462 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Omaththage, S Y | | | 1372 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Ekanayake, Hasindu Chiranga | | | 1293 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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 International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1100 | 1.00 | 4 | 0.09 | 40 | 3.60 | |
| | Akasha, J P Vihanga | | | 1300 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Chandes, K Yasindu | | | 1314 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Chamathka, Weerasinghe A Chethan | | | 1378 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Ekanayake, D S | | | 1271 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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