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Individual Calculations September 2012 |
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| Weerasena, O V D K R Total change: -21.90 | |   |
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| 5th Mora Kings 2012 | Colombo | SRI | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1576 | 1.00 | 3 | -0.13 | 30 | -3.90 | |
|  De Silva, Elath Mathanga | | | 1928 | SRI | 0.00 | 1 | -0.11 | 30 | -3.30 | |  Nonis, P A R R | | | 1310 | SRI | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Koswatte, C T | | | 1813 | SRI | 0.00 | 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) | | | | Super Thirty (1) Under 15 Boys | Colombo | SRI | 2012-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1576 | 2.50 | 6 | -0.60 | 30 | -18.00 | |
| | Karunarathna, Chathupa Induwara | | | 1620 | SRI | 0.50 | 1 | 0.06 | 30 | 1.80 | | | Jayaweera, C I | | | 1772 | SRI | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Dilhara, R M Themiya | | | 1523 | SRI | 0.50 | 1 | -0.07 | 30 | -2.10 | | | Jayaweera, K P C D B | | | 1468 | SRI | 0.00 | 1 | -0.65 | 30 | -19.50 | | | Maddakandage, R D | | | 1581 | SRI | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Sachithra, Rukmal | | | 1429 | 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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