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Individual Calculations September 2011 |
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| Gunasinghe, W A T S Total change: 29.85 | |   |
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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 |
| 1849 | 1839 | 4.00 | 5 | 1.58 | 15 | 23.70 | |
|  Naotunna, Dineth Nimnaka | | | 1653 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Koralegedara, Indika | | | 1876 | SRI | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Jayasundara, P K U M | | | 1971 | SRI | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Senanayaka, P D | | | 1835 | SRI | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Thrimavitharana, Ravin | | | 1910 | SRI | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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 |
| 1760 | 1839 | 4.00 | 6 | 0.41 | 15 | 6.15 | |
| | Mike, Francis | | | 1652 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Thilakarathne, G M H | | | 1580 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Yogesh, Gautam | | | 2043 | IND | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Rathnayake, Nuwan Anurada | | | 1644 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Madushan, K D Tharusha | | | 1633 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Wijekoon, Chandana | | | 2008 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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