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Individual Calculations September 2011 |
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| Kumarawadu, C S Total change: 8.10 | |   |
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| Sri Lanka Major Division Colombo Chess Championship, 2011 | Colombo | SRI | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1692 | 1.50 | 4 | 0.23 | 15 | 3.45 | |
|  De Silva, Osheen | | | 1944 | SRI | 0.50 | 1 | 0.31 | 15 | 4.65 | |  De Moraes, Shamine | | | 1872 | SRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Koralegedara, Indika | | | 1876 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Mike, Francis | | | 1652 | SRI | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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) | | | | Mora Kings International Rating Chess Championship 2011 | Moratuwa | SRI | 2011-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1692 | 1.00 | 3 | 0.31 | 15 | 4.65 | |
| | Samaranayake, K P R N | | | 1825 | SRI | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Alahakoon, A M C B | | | 1860 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Pitigala, Chandra Sudarman S | | | 2083 | SRI | 0.00 | 1 | -0.09 | 15 | -1.35 | |
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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