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Individual Calculations May 2012 |
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| Rathnasekara, Abimanyu Total change: -5.70 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Colombo | Colombo | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1764 | 3.00 | 5 | -0.15 | 15 | -2.25 | |
|  Ellawela, Chaveen | | | 1504 | SRI | 0.50 | 1 | -0.32 | 15 | -4.80 | |  Jayathilake, Mihirani | | | 1726 | SRI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Ranathunga, Vidusha Hirushan | | | 1572 | SRI | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Abeyratne, Akila | | | 1594 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Gunasinghe, W A T S | | | 1909 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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 National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1766 | 2.50 | 7 | -0.24 | 15 | -3.60 | |
| | Alahakoon, Amcb | | | 1941 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Bandara, Dhanushka | | | 1849 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Naotunna, Dn | | | 1647 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Ediriweera, Shakthi | | | 1850 | SRI | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Fernando, Jmmp | | | 1858 | SRI | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Ranasinghe, Sd | | wm | 1913 | SRI | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Prabajith, Asela | | | 1858 | SRI | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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 |
| 1742 | 1766 | 1.50 | 3 | 0.01 | 15 | 0.15 | |
| | Nonis, P A R R | | | 1366 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Saranga, N C O | | | 1954 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Liyanage, N P | | | 1905 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | * 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) | | |
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