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Individual Calculations September 2019 |
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| Bhavanan, J Total change: 62.40 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1129 | 2.00 | 4 | 0.99 | 40 | 39.60 | |
|  Weerasinghe, W Yasiru | | | 1377 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |  Methmani, Nelunika | | wm | 1529 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Alwis, B H A Rasidu | | | 1529 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weheragoda, H A Menula | | | 1008 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1129 | 1.00 | 2 | 0.57 | 40 | 22.80 | |
| | Bentharaarachchi, Vinuga Ometh | | | 1461 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Rathnayake, Lakshika | | | 1272 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | |
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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