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Individual Calculations December 2017 |
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| Kolotas, Harry Total change: -9.00 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1648 | 3.00 | 7 | -0.45 | 20 | -9.00 | |
|  Gram, Otto | | | 1248 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dibley, Shane E | | | 1728 | AUS | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Tefanis, Frank | | | 2008 | AUS | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Vowles, Justin | | | 1733 | AUS | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Johnson, Andrew | | | 1542 | AUS | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Jain, Anshika | | | 1676 | AUS | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Shaw, Ralph | | | 1607 | AUS | 0.50 | 1 | -0.06 | 20 | -1.20 | | | * 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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