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Individual Calculations August 2023 |
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| Samaranayake, Pamok Methdinu Total change: -15.20 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1735 | 5.00 | 8 | -2.09 | 40 | -83.60 | |
|  Siriwardene, R B Sithum Nevanjith | | | 1176 | SRI | 1.00 | 1 | 0.03 | 40 | 1.20 | |  Chamathka, W A Chethani | | | 1326 | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Sanviru, G H A Dulnith | | | 1253 | SRI | 0.00 | 1 | -0.95 | 40 | -38.00 | | | Jayasinghe, K A J Hasanidu Anuhas | | | 1335 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nandasiri, Omiru | | | 1274 | SRI | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Thennakoon, Disara | | | 1441 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Jayathilaka, R R C L | | | 1583 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Hettiarachchi, Jeewantha Aloka | | | 1460 | SRI | 0.00 | 1 | -0.83 | 40 | -33.20 | | | * 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 National Team Chess Championship 2023 | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1587 | 1735 | 5.00 | 5 | 1.71 | 40 | 68.40 | |
| | Fernando, M Tharusha Randima | | | 1403 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Jayasundara, P K U M | c | | 1938 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Munasinghe, M A V N | | | 1335 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Devnaka, Chamin | | | 1482 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Hettiarachchi, C U | | | 1776 | SRI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | * 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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