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Individual Calculations November 2018 |
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| Wijesekara, Dinuka Sewmini Total change: 31.20 | |   |
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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 |
| 1432 | 1168 | 1.50 | 4 | 0.78 | 40 | 31.20 | |
|  Wickramaratna, Lakidu Tharinda | | | 1529 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Katugampola, A H | | | 1406 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | De Silva, J I Ajantha | | | 1375 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Saravanabaavan, Brijeash | | | 1417 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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