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Rapid:
Individual Calculations February 2018 |
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| Premanath, Prasansa Total change: 27.60 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2017 Under - 12 years Girls | Colombo | SRI | 2018-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1209 | 1225 | 4.00 | 5 | 1.38 | 20 | 27.60 | |
|  Samarakoon, Rashmi Vihara | | | 1043 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Weerasiri, H P Sayuni Chamathna | | | 1071 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Karthikeyan, Kiruththikah | | | 1221 | SRI | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Sandeepani, M Tharushi | | | 1305 | SRI | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Pavalachandran, Ashvini | | | 1403 | SRI | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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