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Individual Calculations September 2011 |
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| Rathnayake, Nuwan Total change: 12.60 | |   |
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| Sri Lanka Major Division Kurunegala Chess Championship 2011 | Kurunegala | SRI | 2011-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1694 | 1644 | 2.50 | 4 | 0.76 | 30 | 22.80 | |
|  Pinto, Semuthu | | | 1804 | SRI | 0.50 | 1 | 0.21 | 30 | 6.30 | |  Kaluarachchi, A.s. | | | 1466 | SRI | 1.00 | 1 | 0.27 | 30 | 8.10 | | | Samarathunge, S.c.j. | | | 1644 | SRI | 1.00 | 1 | 0.50 | 30 | 15.00 | | | Alahakoon, A.m.c.b. | | | 1860 | SRI | 0.00 | 1 | -0.22 | 30 | -6.60 | |
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) | | | NOTE: K factor changed | | Mora Kings International Rating Chess Championship 2011 | Moratuwa | SRI | 2011-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1644 | 0.00 | 3 | -0.68 | 15 | -10.20 | |
| | Alahakoon, Isuru | | | 1924 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Gunasinghe, W A T S | | | 1839 | SRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Ediriweera, Shakthi | | | 1815 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | |
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