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Individual Calculations November 2018 |
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| Bandara, T M Himath Indeewara Total change: 8.00 | |   |
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| Buddhi Open International Rating Chess Tournament 2018 | Gampaha | SRI | 2018-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1090 | 1.00 | 4 | 0.20 | 40 | 8.00 | |
|  Fernando, M Tharusha Randima | | | 1389 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Morais, Sanithu Leander Pamudith | | | 1409 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Marapana, Sanupa Bimsath | | | 1257 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Ekanayake, Nipuna Ravindra | | | 1291 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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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