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Individual Calculations July 2011 |
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| Perry, Roger Total change: -2.85 | |   |
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| 34th Waitakere Licensing Trust Open | Auckland | NZL | 2011-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2019 | 1.00 | 3 | -0.19 | 15 | -2.85 | |
|  Smith, Robert | f | | 2263 | NZL | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Shen, Daniel | | | 2189 | NZL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Yao, Winston (yow-Jen) | | | 1858 | NZL | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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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