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Individual Calculations May 2012 |
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| Jayaratne, J P S S Total change: 6.60 | |   |
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| National Youth Chess Championship 2012 Under 14 Girls | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1500 | 2.50 | 4 | 0.65 | 15 | 9.75 | |
|  Ranasinghe, Thinithi Sahanika | | | 1539 | SRI | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Kahanda, I D S | | | 1631 | SRI | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Bandara, R M Nisakya | | | 1309 | SRI | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Kariyapperuma, C P | | | 1627 | SRI | 1.00 | 1 | 0.67 | 15 | 10.05 | |
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) | | | | 2nd Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1500 | 0.00 | 2 | -0.21 | 15 | -3.15 | |
| | Lamahewa, C | | | 1853 | SRI | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Prabajith, Asela | | | 1858 | SRI | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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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