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Individual Calculations November 2018 |
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| Perera, D G D Y Adeekshana Total change: -29.20 | |   |
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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 |
| 1226 | 1323 | 3.00 | 6 | -0.73 | 40 | -29.20 | |
|  Premasiri, T A Dinali Sahansa | | | 1006 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | |  Premathilaka, W P P G Sampath | | | 1065 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Akuratiya, A G Javindi Avarjana | | | 1105 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Wijerathne, Surath | | | 1444 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Jayathilaka, R R C L | | | 1600 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Liyanage, Deshani Sanjula | | | 1133 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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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