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Individual Calculations March 2015 |
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| Kotuwella, Sashmitha N Bandara Total change: -29.20 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1410 | 1111 | 0.00 | 1 | -0.15 | 40 | -6.00 | |
|  Perera, Tharusha Salinda | | | 1410 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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 Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1100 | 0.00 | 3 | -0.58 | 40 | -23.20 | |
| | Mihiranga, K Yasiru | | | 1500 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Kodithuwakku, Himsara | | | 1366 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Yatawaka, U Sirinama | | | 1236 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | * 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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