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Rapid:
Individual Calculations February 2018 |
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| Perera, M N Akash Total change: 5.00 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2017 Under - 12 years | Colombo | SRI | 2018-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1114 | 1174 | 2.00 | 3 | 0.25 | 20 | 5.00 | |
|  Liyanage, Manith Dulwan | | | 1138 | SRI | 0.00 | 1 | -0.55 | 20 | -11.00 | |  Alwis, K Chanula Chanketh | | | 1074 | SRI | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Asuramanna, Mevindu Hansana | | | 1129 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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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