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Individual Calculations September 2018 |
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| Poththewala, Chamindi Total change: 12.80 | |   |
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| Kandy Open International Rating Chess Championship 2018 | Kandy | SRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1261 | 1199 | 3.00 | 6 | 0.35 | 40 | 14.00 | |
|  De Silva, Tenara | | | 1599 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kumarasinghe, D T T | | | 1005 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Abhimanyu, Iraja | | | 1464 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Fernanado, C Bimsara | | | 1039 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Wanasinghe, M G W M R S | | | 1047 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Lansakara, B M | | | 1412 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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) | | | | Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1291 | 1199 | 2.50 | 6 | -0.03 | 40 | -1.20 | |
| | Akash, P A Oditha | | | 1509 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Chandula, E D S | | | 1588 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Morais, Sanuka Jude Vidunitha | | | 1020 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Withanage, Lakindu | | | 1599 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Samarakoon, Vivash Ransara | | | 1001 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Jayasinghe, Ranudhi | | | 1028 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | * 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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