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Individual Calculations December 2018 |
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| Rodgers, Jack Total change: -11.60 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 2026 | 6.50 | 9 | -0.29 | 40 | -11.60 | |
|  Shaw, Ralph | | | 1626 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Premathilaka, Kanishka | | | 1777 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Mazay, Adam | | | 1852 | AUS | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Brand, Peter | | | 1760 | AUS | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Johnson, Andrew | | | 1626 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Siva Sankaran, Anup Kumar | | | 1800 | IND | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Hu, Jason | f | | 2115 | AUS | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Karunagaran, Arvend | | | 1626 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Tefanis, Frank | | | 2028 | AUS | 1.00 | 1 | 0.50 | 40 | 20.00 | | | * 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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