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Individual Calculations May 2011 |
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| Alahakoon, Isuru Total change: -10.80 | |   |
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| Sri Lanka Open International Rating Tournament 2011 | Colombo | SRI | 2011-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 1950 | 4.50 | 8 | 1.21 | 15 | 18.15 | |
|  Wettasinha, Vasanta | | | 1772 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Arun, Karthik R | | | 2308 | IND | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Ranasinghe, C N | | | 1755 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Bhagya, Viman | | | 2030 | SRI | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Rajapakse, R M C M | | | 2171 | SRI | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Krishna, C R G | | | 2313 | IND | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Senanayaka, P D | | | 1826 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Perera, W C C | | | 2077 | SRI | 0.00 | 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) | | | | Asian Zonal 2011, Zone 3.2 | Colombo | SRI | 2011-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 1950 | 0.50 | 8 | -1.93 | 15 | -28.95 | |
| | Abu Sufian, Shakil | f | | 2350 * | BAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Weerawardane, R | | | 2165 | SRI | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Murshed, Niaz | g | | 2350 * | BAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Mallawarachchi, T S | | | 1984 | SRI | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Ahmed, Fuad | | | 1817 | MDV | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Amer, Karim | | | 2257 | PAK | 0.00 | 1 | -0.14 | 15 | -2.10 | | | De Silva, Osheen | | | 1936 | SRI | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Anuruddha, G C | | | 2141 | SRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | * 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) | | |
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