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Individual Calculations September 2018 |
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| Akasha, J P Vihanga Total change: 9.20 | |   |
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| Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1344 | 1300 | 3.00 | 6 | 0.23 | 40 | 9.20 | |
|  Peiris, H Pevinya | | wf | 1672 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Gamage, A G R Ruwanmith | | | 1100 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Perera, D Upashan L | | | 1577 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Siriwardane, A L | | | 1448 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Costha, M Yomali Muthumini | | | 1078 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Nagasinghe, Thevindu Thinal | | | 1186 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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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