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Individual Calculations May 2012 |
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| Jayasundara, Pkum Total change: 21.60 | |   |
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| Sri Lanka National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 2012 | 6.50 | 10 | 0.94 | 15 | 14.10 | |
|  Liyanapathirana, Kasun | | | 1817 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | |  Madumadha, Chaithika Samith | | | 1893 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | De Silva, Osheen | | | 1889 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Lamawansa, Yasas | | | 1937 | SRI | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Wijekoon, Chandana | | | 1997 | SRI | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Kalugampitiya, Rs | | | 2126 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Anuruddha, ,gc | | | 2098 | SRI | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Liyanage, Np | | | 1905 | SRI | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Saranga, Nco | | | 1954 | SRI | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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 National Chess Championship 2012 | Colombo | SRI | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2012 | 7.50 | 13 | 0.86 | 15 | 12.90 | |
| | Weeramantry, Sunil | f | | 2177 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Anuruddha, G C | | | 2098 | SRI | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Kalugampitiya, R S | | | 2126 | SRI | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Wijekoon, Chandana | | | 1997 | SRI | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Edirisinghe, Dulan | | | 2036 | SRI | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Koggala, W S V K | | | 2020 | SRI | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Madumadha, M Chaithika Samith | | | 1893 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Saranga, N C O | | | 1954 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Alahakoon, Isuru | | | 1957 | SRI | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Wimalasuriya, Kasun M | | | 1612 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Kurukulasuriya, Prasanna | | | 2078 | SRI | 1.00 | 1 | 0.59 | 15 | 8.85 | | | De Silva, Osheen | | | 1889 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Perera, W C C | | | 2126 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | * 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) | | | | National Youth Chess Championship 2012 Under 18 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 2012 | 5.00 | 7 | -0.36 | 15 | -5.40 | |
| | Wijayananda, Dillakshan Theodore | | | 1612 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Samaranayake, K P R N | | | 1792 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Lamahewa, C | | | 1853 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Subasinghe, K R V R | | | 1874 | SRI | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Ranasinghe, C N | | | 1814 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Bandara, A J K D | | | 1825 | SRI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Munasinghe, Shanaka | | | 1813 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | * 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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