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Individual Calculations November 2015 |
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| Lahiru, N P G Sithija Total change: 100.40 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1539 | 1571 | 6.50 | 9 | 1.81 | 40 | 72.40 | |
|  Dassanayake, Tharusha Samadhi | | | 1171 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Dayawansa, Panduka Dulisha | | | 1228 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Madushanka, Harsha | | | 1803 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Lasitha, Subash | c | | 1755 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Piyumantha, M Thisal Manjith | | | 1254 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Yatawaka, U Sirinama | | | 1256 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Weerasinghe, C C | | | 1712 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Weerasinghe, Chamath | | | 1744 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Danushka, M A N | | | 1925 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | * 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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1695 | 1571 | 2.50 | 5 | 0.70 | 40 | 28.00 | |
| | Suranjith, K W A | | | 1548 | SRI | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Kumara, C M S Praneeth | | | 1848 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Subasinghe, K R V R | | | 1951 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Danushka, M A N | | | 1939 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ekanayake, Hasindu Chiranga | | | 1187 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |
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) | | |
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