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Individual Calculations December 2018 |
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| Sparks, Chris J Total change: 7.60 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1660 | 3.00 | 6 | 0.38 | 20 | 7.60 | |
|  Murray, Bruce D | c | | 2008 | AUS | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Balan, Jigando | | | 1795 | IND | 0.00 | 1 | -0.32 | 20 | -6.40 | |  Coey, Andrew | | | 1584 | AUS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Glissan, Paul | | | 1737 | AUS | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Low, Frank | | | 1621 | AUS | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Johnson, Andrew | | | 1553 | AUS | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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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