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Individual Calculations September 2012 |
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| Sachithra, Rukmal Total change: 9.00 | |   |
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| 5th Mora Kings 2012 | Colombo | SRI | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1429 | 0.00 | 3 | -0.49 | 30 | -14.70 | |
|  Alahakoon, Isuru | | | 1829 * | SRI | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Haputhanthri, H U D B | | | 1667 | SRI | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Weerakoon, D D P | | | 1660 | SRI | 0.00 | 1 | -0.21 | 30 | -6.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Super Thirty (1) Under 15 Boys | Colombo | SRI | 2012-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1429 | 2.50 | 6 | 0.79 | 30 | 23.70 | |
| | Haputhanthri, H U D B | | | 1667 | SRI | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Ayestian, Aliysius | | | 1581 | SRI | 1.00 | 1 | 0.70 | 30 | 21.00 | | | Karunarathne, K M H B | | | 1596 | SRI | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Wijesinghe, T S B | | | 1574 | SRI | 0.50 | 1 | 0.19 | 30 | 5.70 | | | Ranathunga, Vidusha Hirushan | | | 1561 | SRI | 0.50 | 1 | 0.18 | 30 | 5.40 | | | Weerasena, O V D K R | | | 1576 | SRI | 0.50 | 1 | 0.20 | 30 | 6.00 | |
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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