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Individual Calculations January 2018 |
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| Pelagewatta, H Prabashwara Total change: 7.20 | |   |
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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 |
| 1285 | 1145 | 1.50 | 4 | 0.18 | 40 | 7.20 | |
|  Chandrasekara, C M L R B | | | 1441 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Jayasena, Tharaka Udayanga | | | 1383 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Weerathungalage, W D Malisha Sas | | | 1001 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Madusanka , L D D | | | 1315 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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