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Individual Calculations May 2013 |
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| McDonald, John A Total change: -11.70 | |   |
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| North Island Chess Championship 2013 | Wellington | NZL | 2013-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 2039 | 3.50 | 7 | -0.78 | 15 | -11.70 | |
|  Nicholls, Leighton | | | 1774 | NZL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Berg-Jensen, Joachim | | | 2183 | NOR | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Gold, Hamish R | | | 1807 | NZL | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Nijman, Arie J | | | 1824 | NZL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Timergazi, Layla | | | 1775 | NZL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Dive, Russell J | m | | 2319 | NZL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Forster, William | | | 1961 | NZL | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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