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Rapid:
Individual Calculations October 2017 |
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| De Silva, Udara Sandesh Total change: -24.60 | |   |
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| Inaugural Sri Lanka National Rapid Chess Championship 2017 | Colomno | SRI | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1637 | 1.00 | 3 | -1.23 | 20 | -24.60 | |
|  Sooriyarachchi, Isuru Mdushan | | | 1516 | SRI | 0.00 | 1 | -0.66 | 20 | -13.20 | |  Gunathilaka, M H V S Shanaaka | | | 1513 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Yatawaka, U Sirinama | | | 1277 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | |
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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