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Individual Calculations July 2013 |
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| Perry, Roger L Total change: -0.75 | |   |
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| 36th Trusts Chess Open 'A' Tournament | Auckland | NZL | 2013-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2015 | 2.50 | 5 | -0.05 | 15 | -0.75 | |
|  Liu, Brian | | | 1817 | NZL | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Wastney, Scott | f | | 2350 | NZL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Gautam, Asheesh | | | 1825 | FIJ | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Duneas, John | | | 2082 | NZL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Marko, Helmut S | c | | 2010 | PNG | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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