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Individual Calculations February 2023 |
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| Arachchi, C S A Total change: -33.40 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1127 | 1470 | 4.50 | 7 | -1.67 | 20 | -33.40 | |
|  Wickramathilaka, H C D | | | 1115 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Denipitiya, D L A A C | | | 1105 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Bandara, K M W G Lahiru | | | 1198 | SRI | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Amarathunga, H G K G | | | 1085 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Dissanayaka, D A K N R | | | 1070 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijesinghe, Amesha Shenali | | | 1090 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Godagampala, G D Minuja Hansana | | | 1224 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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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