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Individual Calculations November 2018 |
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| Perera, D G D S Vidarsha Total change: 20.80 | |   |
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| Buddhi Open International Rating Chess Tournament 2018 | Gampaha | SRI | 2018-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1222 | 1190 | 2.00 | 3 | 0.52 | 40 | 20.80 | |
|  Jayarathne, M N G | | | 1590 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hendavitharana, D S | | | 1012 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Premathilaka, W P P G Sampath | | | 1065 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | * 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) | | |
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