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Individual Calculations December 2017 |
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| Sandalciyan, Aram Total change: -20.80 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1723 | 3.00 | 7 | -1.04 | 20 | -20.80 | |
|  Mallari, Donato | f | | 1987 | AUS | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Singleton, Tim | | | 1516 | AUS | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Feldman, Vladimir | m | | 2095 | AUS | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Miller, Gordon | | | 1627 | AUS | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Armstrong, Gary | | | 1574 | AUS | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Chiara, Vince | | | 1475 | AUS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Huey, Toby | | | 1432 | AUS | 0.00 | 1 | -0.85 | 20 | -17.00 | |
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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