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Individual Calculations March 2011 |
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| Basnayake, I U Total change: 17.40 | |   |
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| 64Squares Chess Challenge - 2011 | Kandy | SRI | 2011-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1794 | 3.50 | 6 | 0.58 | 15 | 8.70 | |
|  Kumarawansha, H. L. | | | 1394 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Perera, L N | | | 1945 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | |  De Silva, Rasheen | | | 1950 | SRI | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Kahanda, I. D. S. | | | 1581 | SRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Silva, K W C U | | | 1945 | SRI | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Randil, Lakshitha | | | 1912 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | * 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) | | | | Sri Lanka Junior National Girls Chess Championship 2010 | Colombo | SRI | 2011-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1794 | 4.50 | 6 | 0.58 | 15 | 8.70 | |
| | Karunarathna, A G S K | | | 1514 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Gallage, Y S | | | 1606 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Sathya, S Promodhi | | | 1650 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Thilakawardana, Supeshala | | wf | 1747 | SRI | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Koggala, W S T D | | | 1699 | SRI | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Ranasinghe, S D | | | 1827 | SRI | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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