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Individual Calculations April 2009 |
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| Seneviratne, Shehan Total change: 24.50 | |   |
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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 |
| 1905 | 1555 | 0.00 | 4 | -0.44 | 25 | -11.00 | |
|  Peiris, T.g.m. | | | 1905 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Kuruwitage, Yasas Kalana | | | 1905 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Kalugampitiya, R.s. | | | 1905 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Subhani, D.ashraf | | | 1905 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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 |
| 1877 | 1555 | 1.00 | 4 | 0.47 | 25 | 11.75 | |
| | Kumarasinghe, A.s. | | | 1905 | SRI | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Rabel, Chinthaka | | | 1792 | SRI | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Kurukulasuriya, P | | | 1905 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Peiris, T.g.m. | | | 1905 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | 2nd Colombo Chess Festival '09 | Colombo | SRI | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1555 | 1.50 | 5 | 0.95 | 25 | 23.75 | |
| | Narayanan, Srinath | m | | 1905 | IND | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Mallawarachchi, T.s. | | | 1905 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Tennakoon, I.l.k. | | | 1905 | SRI | 1.00 | 1 | 0.89 | 25 | 22.25 | | | Perera, W.c.c. | | | 1905 | SRI | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Ketalawala, J.k.c. | | | 1905 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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