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Individual Calculations December 2018 |
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| Premathilaka, Kanishka Total change: 15.40 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1777 | 4.50 | 7 | 0.77 | 20 | 15.40 | |
|  Panicker, Sujesh | | | 1377 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rodgers, Jack | | | 2026 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Sze-To, Jonas | | | 1514 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Chegwidden, Lindsay | | | 1435 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Wan, Dennis | | | 1833 | AUS | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Kordahi, Nicholas | | | 1937 | AUS | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Murray, Bruce D | c | | 2008 | AUS | 0.50 | 1 | 0.29 | 20 | 5.80 | | | * 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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