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Individual Calculations September 2011 |
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| Samarathunge, S.c.j. Total change: 14.70 | |   |
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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 |
| 1725 | 1644 | 2.50 | 4 | 0.89 | 30 | 26.70 | |
|  Rajapakshe, R.m. Nuwanthi Dileka | | | 1513 | SRI | 1.00 | 1 | 0.32 | 30 | 9.60 | |  Randil, Lakshitha | | | 1917 | SRI | 0.50 | 1 | 0.33 | 30 | 9.90 | | | Samaranayake, K.p.r.n. | | | 1825 | SRI | 1.00 | 1 | 0.74 | 30 | 22.20 | | | Rathnayake, Nuwan | | | 1644 | SRI | 0.00 | 1 | -0.50 | 30 | -15.00 | |
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 |
| 1890 | 1644 | 0.00 | 2 | -0.40 | 30 | -12.00 | |
| | Premachandra, G T D | | | 1944 | SRI | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Lamahewa, S | | | 1835 | SRI | 0.00 | 1 | -0.25 | 30 | -7.50 | |
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) | | |
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