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Individual Calculations April 2009 |
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| De Silva, Rasheen Total change: 4.35 | |   |
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| The Inaugural Royal Challenge International Chess Championship 2009 | Colombo | SRI | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1951 | 2.50 | 5 | -0.03 | 15 | -0.45 | |
|  Russell, M.k.a. | | | 2209 | SRI | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Munasinghe, Shanaka | | | 1755 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Wijekoon, Chandana | | | 1925 | SRI | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Prasanna, Krishna B. | | | 1812 | IND | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Dissanayake, R.s. | | | 2045 | SRI | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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) | | | | Sri Lanka Inter Club Super League 08 | Colombo | SRI | 2009-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1951 | 1.50 | 2 | 0.32 | 15 | 4.80 | |
| | Athavan, Rk | | | 1947 | SRI | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Egodage, Ts | | | 1826 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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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