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Rapid:
Individual Calculations February 2015 |
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| Perera, G A Lakindu Chandira Total change: -6.80 | |   |
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| National Youth Rapid Championships 2014 - Open Under 12 | Colombo | SRI | 2014-12-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1319 | 1145 | 0.50 | 3 | -0.34 | 20 | -6.80 | |
|  Wijesinghe, N L C Dojitha | | | 1209 | SRI | 0.00 | 1 | -0.41 | 20 | -8.20 | |  Kodithuwakku, Himsara | | | 1348 | SRI | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Liyanage, Ranindu Dilshan | | | 1400 | SRI | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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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