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Individual Calculations November 2017 |
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| Perera, D G D S Vidarsha Total change: 6.80 | |   |
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| 8th Buddhi International Open Rating Tournament 2017 | Gampaha | SRI | 2017-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1143 | 1.00 | 4 | 0.17 | 40 | 6.80 | |
|  Wijerathne, Surath | | | 1446 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Hewawasam, P B Suvin Nimsara | | | 1338 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Dissanayake, Kamesh Janaja | | | 1300 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Siriwardane, A L | | | 1439 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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