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Individual Calculations November 2015 |
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| Gunarathna, D A Viraj Darshana Total change: 2.60 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1627 | 6.00 | 9 | 0.32 | 20 | 6.40 | |
|  Liyanage, Pesandu Rashmitha | | | 1227 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Yatawaka, U Sirinama | | | 1256 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | De Silva, Osheen | | | 1902 | SRI | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Kumara, C M S Praneeth | | | 1848 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Dissanayake, D D M R G K | | | 1308 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Fernando, J S Aloka | | | 1407 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Senanayaka, P D | | | 1805 | SRI | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Wijerathne, Surath | | | 1432 | SRI | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Aldeniya, A H N D | | | 1382 | SRI | 1.00 | 1 | 0.20 | 20 | 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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1564 | 1621 | 2.00 | 4 | -0.19 | 20 | -3.80 | |
| | Prabajith, Asela | | | 1793 | SRI | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Nantharupan, S | | | 1221 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alahakoon, Isuru | | | 2021 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jayasinghe, J A V A T | | | 1221 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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