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Individual Calculations July 2011 |
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| Wettasinha, Vasanta Total change: 57.75 | |   |
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| Dhamso International Chess Festival | Ambalangoda | SRI | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 1772 | 2.50 | 5 | 1.46 | 15 | 21.90 | |
|  Fernando, J M M P | | | 1916 | SRI | 1.00 | 1 | 0.69 | 15 | 10.35 | |  Edirisinghe, Dulan | | | 2071 | SRI | 0.50 | 1 | 0.35 | 15 | 5.25 | | | De Moraes, Shamine | | | 1902 | SRI | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Sharma Dinesh, K | m | | 2172 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bhagya, Viman | | | 2030 | SRI | 0.00 | 1 | -0.18 | 15 | -2.70 | | | * 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) | | | | 2nd Kandy Open Rating Chess Championship | NICD, Polgolla, Kandy | SRI | 2011-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1766 | 4.50 | 8 | 2.39 | 15 | 35.85 | |
| | Jayasundara, P K U M | | | 1992 | SRI | 1.00 | 1 | 0.79 | 15 | 11.85 | | | De Silva, Osheen | | | 1945 | SRI | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Edirisinghe, Dulan | | | 2071 | SRI | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Samaranayake, K P R N | | | 1768 | SRI | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Anuruddha, G C | | | 2134 | SRI | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Kalugampitiya, R S | | | 2141 | SRI | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Jayasinghe, M A | | | 1846 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Bandara, Dhanushka | | | 1832 | SRI | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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