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Individual Calculations September 2011 |
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| Karunaratne, Vinura Sudam Total change: -10.20 | |   |
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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 |
| 1902 | 1502 | 0.00 | 1 | -0.08 | 30 | -2.40 | |
|  Karunarathne, D C J | | | 1902 * | SRI | 0.00 | 1 | -0.08 | 30 | -2.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1821 | 1502 | 0.00 | 2 | -0.26 | 30 | -7.80 | |
| | Senanayaka, P D | | | 1835 | SRI | 0.00 | 1 | -0.12 | 30 | -3.60 | | | De Silva, Udara Sandesh | | | 1807 | SRI | 0.00 | 1 | -0.14 | 30 | -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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