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Individual Calculations July 2014 |
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| Perry, Roger L Total change: 21.90 | |   |
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| 37th Trusts Chess Open 'A' Tournament | Auckland | NZL | 2014-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1993 | 4.00 | 5 | 1.46 | 15 | 21.90 | |
|  Lyall, Simon | | | 1799 | NZL | 0.50 | 1 | -0.25 | 15 | -3.75 | |  Cooper, Nigel | | | 1716 | NZL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Li, William Xiang Wei | | | 1949 | NZL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Dive, Russell J | m | | 2324 | NZL | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Thornton, Giovanni A | | | 2160 | NZL | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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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