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Individual Calculations January 2018 |
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| Lakmini, K K Total change: -13.20 | |   |
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| 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1096 | 1324 | 2.50 | 4 | -0.66 | 20 | -13.20 | |
|  Mannaperuma, M M Pamudu Thamara | | | 1097 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Piyarthne, Movindu Lushan | | | 1080 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Alwis, B H A Rasidu | | | 1098 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Ahamed, A M Sakeer | | | 1107 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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