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Individual Calculations October 2019 |
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| Kamaradiwela, K A D M M Total change: -8.80 | |   |
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| 10th Buddhi International Rating Chess Championship 2019 | Gampaha | SRI | 2019-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1073 | 0.50 | 4 | -0.22 | 40 | -8.80 | |
|  De Silva, J I Ajantha | | | 1357 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Srilal, D A D T | | | 1359 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Basnayake, B M Thesandu Aken | | | 1352 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Karunaratne, Rahel Chaanakya | | | 1274 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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