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Individual Calculations January 2024 |
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| Fonseka, C K D Total change: -14.80 | |   |
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| Ehugalpura International Open Chess Championship 2023 | Kurunegala | SRI | 2023-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1228 | 1618 | 2.00 | 3 | -0.74 | 20 | -14.80 | |
|  Bandara, K G J C | | | 1218 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Samarakoon, S M R Sasandu Ayod | | | 1195 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Jayanka, L P P R | | | 1271 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | * 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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