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Individual Calculations January 2018 |
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| Pathirana, Luchitha Disal Total change: -11.60 | |   |
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| 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1132 | 0.50 | 3 | -0.29 | 40 | -11.60 | |
|  Perera, D G D Y Adeekshana | | | 1297 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Nabil Nazar, Mohamed | | | 1268 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | De Silva, J I Ajantha | | | 1382 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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