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Individual Calculations May 2012 |
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| Thiyanga, Kaveen Total change: 63.00 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Galle | Galle | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1750 | 3.00 | 5 | 0.85 | 30 | 25.50 | |
|  De Silva, Elath Mathanga | | | 1921 | SRI | 1.00 | 1 | 0.73 | 30 | 21.90 | |  Lamahewa, S | | | 1828 | SRI | 0.50 | 1 | 0.11 | 30 | 3.30 | | | Karunarathna, Chathapa Indawara | | | 1537 | SRI | 1.00 | 1 | 0.23 | 30 | 6.90 | | | De Silva, Osheen | | | 1933 | SRI | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Gunasinghe, W S | | | 1778 | SRI | 0.50 | 1 | 0.04 | 30 | 1.20 | |
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 |
| 1787 | 1751 | 5.50 | 10 | 1.02 | 30 | 30.60 | |
| | Lamawansa, Yasas | | | 1937 | SRI | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Fernando, Jmmp | | | 1858 | SRI | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Kuruppu, Supun Dasantha | | | 1606 | SRI | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Prabajith, Asela | | | 1858 | SRI | 0.00 | 1 | -0.35 | 30 | -10.50 | | | Rathnayake, Kg | | | 1484 | SRI | 1.00 | 1 | 0.18 | 30 | 5.40 | | | Munasinghe , Lahiru | | | 1933 | SRI | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Gunaratne, Mojitha Sathsara | | | 1674 | SRI | 0.50 | 1 | -0.11 | 30 | -3.30 | | | Bandara, Ajsd | | | 1794 | SRI | 1.00 | 1 | 0.56 | 30 | 16.80 | | | Subash, Lasitha | | | 1832 | SRI | 1.00 | 1 | 0.61 | 30 | 18.30 | | | Chandrarathne, Wsn | | | 1892 | SRI | 1.00 | 1 | 0.69 | 30 | 20.70 | |
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) | | | NOTE: K factor changed | | National Youth Chess Championship 2012 Under 18 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1751 | 1.00 | 4 | -1.04 | 15 | -15.60 | |
| | Lamawansa, Yasas | | | 1937 | SRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Peiris, Asel | | | 1488 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Siriwardena, R I Pasan Bhanuka | | | 1627 | SRI | 0.00 | 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) | | | NOTE: K factor changed | | 2nd Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1751 | 3.00 | 4 | 1.50 | 15 | 22.50 | |
| | Malhara, W A Hansana | | | 1470 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | De Silva, Gihan | | | 1993 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Amarakoon, Naditha | | | 1903 | SRI | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Peiris, T S S | | | 2034 | SRI | 1.00 | 1 | 0.84 | 15 | 12.60 | |
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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