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Individual Calculations December 2017 |
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| Case, Ivan Total change: -23.60 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1716 | 2.50 | 6 | -1.18 | 20 | -23.60 | |
|  Willathgamuwa, Kevin | c | | 1997 | AUS | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Huey, Toby | | | 1432 | AUS | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Cook, David | | | 1623 | AUS | 0.00 | 1 | -0.63 | 20 | -12.60 | | | O`callaghan, Scott | | | 1583 | AUS | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Zekic, Mirsad | | | 1636 | AUS | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Singleton, Tim | | | 1516 | AUS | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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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