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Individual Calculations June 2023 |
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| Insara, S D Nadev Total change: 131.20 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1415 | 1464 | 6.50 | 9 | 1.43 | 40 | 57.20 | |
|  Tharanga, R A R | | | 1064 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Nagahawatta, Sachin Devinda | | | 1389 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Weerasinghe, M A Dinal Akilesh | | | 1116 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Sivathanujan, S | | | 1833 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Hansana, K V Tharuka | | | 1200 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | De Silva, B P Chanthuli Thanishka | | | 1225 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Amarasinghe, A A C B | c | | 1855 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Gunaweera, Geenuka Kavinu | | | 1355 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Lamahewa, S | | | 1702 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | * 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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1454 | 1406 | 5.00 | 7 | 1.85 | 40 | 74.00 | |
| | Gamlath, E G Y T | | | 1092 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Kodithuwakku, Himsara | | | 1641 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Sivathanujan, S | | | 1809 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ovitigala, Dehain Nethvidu | | | 1108 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Siriwardene, R B Bihandu Janandit | | | 1177 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Wijekoon, Chandana | c | | 1750 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Weerathungalage, W D Malisha Sasv | | | 1604 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | |
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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