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Individual Calculations November 2015 |
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| Dayasundara, B Senuja Wathsilu Total change: -43.20 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1167 | 0.50 | 4 | -1.08 | 40 | -43.20 | |
|  Kodikara, N S | | | 1295 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Dewmini, K P Samadhi Navodhya | | | 1238 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | |  Piyumantha, M Thisal Manjith | | | 1254 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Senevirathne, Moveen Binuwara G | | | 1191 | SRI | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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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