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Individual Calculations September 2012 |
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| Cooray, B S M T Total change: 26.70 | |   |
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| 5th Mora Kings 2012 | Colombo | SRI | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1403 | 0.50 | 2 | 0.34 | 30 | 10.20 | |
|  Hettiarachchi, A U | | | 1803 * | SRI | 0.50 | 1 | 0.42 | 30 | 12.60 | | | Gunasinghe, W A T S | | | 1803 * | SRI | 0.00 | 1 | -0.08 | 30 | -2.40 | | | * 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 Girls | Colombo | SRI | 2012-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1534 | 1403 | 2.50 | 6 | 0.55 | 30 | 16.50 | |
|  Kahanda, I D S | | | 1598 | SRI | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Koswatta, K W D M H U | | | 1561 | SRI | 1.00 | 1 | 0.71 | 30 | 21.30 | | | Rathnayaka, R M P C | | | 1519 | SRI | 0.00 | 1 | -0.34 | 30 | -10.20 | | | Kariyapperuma, C P | | | 1603 | SRI | 0.50 | 1 | 0.26 | 30 | 7.80 | | | Narampanawa, Ishara | | | 1472 | SRI | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Samaranayaka, H D Samali M | | | 1453 | SRI | 1.00 | 1 | 0.57 | 30 | 17.10 | |
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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