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Individual Calculations April 2009 |
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| Rajapakshe, R.m.t.c. Total change: 2.75 | |   |
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| Sri Lanka Open International Rating Chess Tournament 2009 | Kandy | SRI | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1639 | 1.00 | 3 | 0.11 | 25 | 2.75 | |
|  Liyanage, N.p. | | | 1951 | SRI | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Ratnayake, Jeewanthi | | | 1553 | SRI | 1.00 | 1 | 0.38 | 25 | 9.50 | |  Gunasinghe, S.r. | | | 1958 | SRI | 0.00 | 1 | -0.13 | 25 | -3.25 | |
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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