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Rapid:
Individual Calculations October 2019 |
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| Perera, S D Lahiru Total change: 12.20 | |   |
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| Sri Lanka Inter Club Rapid Chess Championship 2019 - Open | Colombo | SRI | 2019-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1227 | 1285 | 3.50 | 5 | 0.61 | 20 | 12.20 | |
|  Sisuru, K M Sineth | | | 1247 | SRI | 1.00 | 1 | 0.45 | 20 | 9.00 | |  Weerasinghe, Sethum | | | 1271 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | De Silva, D Senath Heshara | | | 1144 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Liyanage, Pesandu Rashmitha | | | 1292 | SRI | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Indrakumar, Aran | | | 1179 | SRI | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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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