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Individual Calculations July 2011 |
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| Weerakoon, D D P Total change: 4.25 | |   |
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| Dhamso International Chess Festival | Ambalangoda | SRI | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1678 | 0.50 | 3 | 0.00 | 25 | 0.00 | |
|  Saranga, N C O | | | 1937 | SRI | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Viththiyarani, S | | | 1909 | SRI | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Bhagya, Viman | | | 2030 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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 Kandy Open Rating Chess Championship | NICD, Polgolla, Kandy | SRI | 2011-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1682 | 0.50 | 2 | 0.17 | 25 | 4.25 | |
| | Priyankara, Chamil | | | 1946 | SRI | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Mallawarachchi, T S | | | 1982 | SRI | 0.50 | 1 | 0.35 | 25 | 8.75 | |
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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