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Individual Calculations March 2010 |
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| Athukorala, P M A B Total change: -6.15 | |   |
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| 3rd Colombo International Chess Festival 2010 | Colombo | SRI | 2010-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 2133 | 6.50 | 8 | 0.31 | 15 | 4.65 | |
|  Kodithuwakku, Gihan | | | 1733 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Senanayake, P. D. | | | 1858 | SRI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Athavan, R K | | | 1938 | SRI | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Kumara, Sisira | | | 1821 | SRI | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Yaparathne, B K B | | | 1891 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Jayasundara, P K U M | | | 1882 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Ashraf, Subhani | | | 1954 | IND | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Weerawardane, R | | | 2141 | SRI | 0.50 | 1 | 0.01 | 15 | 0.15 | | | * 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) | | | | Sri Lanka Inter Clubs Super League Chess Championship | Colombo | SRI | 2010-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 2133 | 2.50 | 5 | -0.72 | 15 | -10.80 | |
| | Siriwardene, Lahiru | | | 1733 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Dissanayake, P R | | | 2115 | SRI | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Kalugampitiya, R S | | | 2135 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Kottahachchy, K O V | | | 2015 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Madugalle, Y D B | | | 2055 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | * 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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