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Individual Calculations May 2012 |
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| Jayarathne, M N G Total change: -9.75 | |   |
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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 |
| 1824 | 1775 | 0.50 | 4 | -1.25 | 15 | -18.75 | |
|  Gunasinghe, W S | | | 1778 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | |  Wimalasuriya, Kasun M | | | 1604 | SRI | 0.50 | 1 | -0.23 | 15 | -3.45 | | | De Silva, Elath Mathanga | | | 1921 | SRI | 0.00 | 1 | -0.30 | 15 | -4.50 | | | De Silva, Gihan | | | 1993 | SRI | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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 |
| 1936 | 1784 | 1.50 | 3 | 0.60 | 15 | 9.00 | |
| | Miraj, D A | | | 1980 | SRI | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Priyankara, Chamil | | | 1892 | SRI | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Mendis, W G Chinthaka | | | 1935 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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