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Individual Calculations August 2023 |
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| Alahakoon, Isuru Total change: 21.60 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1529 | 1760 | 7.00 | 8 | 1.08 | 20 | 21.60 | |
|  Koswattage, Biman | | | 1360 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ekaratne, Chenaya | | | 1337 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Manuwaruna, Sethun Neththaru | | | 1427 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Sanviru, G H A Dulnith | | | 1253 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Jayaweera, Y | | | 1743 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Dissanayake, R K T | | | 1882 | SRI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Insara, S D Nadev | | | 1537 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | De Silva, Osheen | | | 1689 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | * 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) | | |
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