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Individual Calculations January 2015 |
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| Senanayaka, P D Total change: 96.40 | |   |
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| Sri Lanka Grand Prix | Colombo | SRI | 2014-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1773 | 4.00 | 10 | 1.88 | 20 | 37.60 | |
|  Kurukulasuriya, Prasanna | f | | 2063 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Doluweera, Minul Sanjula | c | | 2002 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Weerawardane, Romesh | m | | 2107 | SRI | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Priyankara, Chamil | | | 1953 | SRI | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Bhagya, Viman | | | 2025 | SRI | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Ranasinghe, S D | | wm | 1867 | SRI | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Kandearachchi, Niranga | | | 1990 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | De Silva, Osheen | | | 1897 | SRI | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Galappaththi, Chinthaka Anuruddh | f | | 2157 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Jayasundara, P K U M | c | | 2046 | SRI | 0.50 | 1 | 0.33 | 20 | 6.60 | |
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 Amateur Chess Championship 2014 | Waskaduwa | SRI | 2014-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1773 | 7.00 | 9 | 2.94 | 20 | 58.80 | |
| | Wijesuriya, G S A | | | 1373 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Elath Mathanga | | | 1936 | SRI | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Gunaratne, Mojitha Sathsara | c | | 1971 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Priyankara, Chamil | | | 1973 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Jayaweera, Sayuni Gihansa | | wc | 1398 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Abdul, Rahman Ali | c | | 1922 | MDV | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Sushrutha, Reddy | | | 1729 | IND | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Rathnayake, M A A H | | | 1896 | SRI | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Randil, Lakshitha | | | 1939 | SRI | 1.00 | 1 | 0.72 | 20 | 14.40 | | | * 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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