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Individual Calculations September 2015 |
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| Naotunna, D R Total change: -35.60 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1751 | 5.50 | 8 | -0.81 | 40 | -32.40 | |
|  Perera, S D Tharindu | | | 1351 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Gunasekara , W A N Senpathi | | | 1481 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Gunasinghe, W A T S | | | 1887 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Perera, Tharusha Salinda | | | 1466 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Liyanage, Ranindu Dilshan | | | 1622 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Wijesinghe, N L C Dojitha | | | 1370 | SRI | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Lakshan, G Dilina Udeepa | | | 1351 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rajapaksa, Inura | | | 1377 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | * 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 Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1533 | 1751 | 6.50 | 9 | -0.08 | 40 | -3.20 | |
| | Jayatissa, Chanuth Devnaka | | | 1351 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Iru Kumarasiri, W M G | | | 1351 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Perera, W C C | c | | 2100 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Liyanarachchi, Sanosh Shamal | | | 1394 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Devnaka, Chamin | | | 1351 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Pallie, Tuan Ehshan | | | 1491 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Fernando, J S Aloka | | | 1414 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Wickramasinghe, Hiruna | | | 1368 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Lamawansa, Yasas | | | 1977 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | * 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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