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Individual Calculations September 2009 |
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| Bennett, Hilton Total change: -14.10 | |   |
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| Oceania Zonal Open | Gold Coast | AUS | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 2028 | 3.00 | 7 | -1.34 | 15 | -20.10 | |
|  Smith, Robert W | f | | 2274 | NZL | 0.00 | 1 | -0.19 | 15 | -2.85 | |  Ford, Daniel | | | 1792 | AUS | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Juszczynski, Mathew | | | 1914 | AUS | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Goundar, Sanmogam | | | 1903 | FIJ | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Encel, Benjamin | | | 1838 | AUS | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Rachmadi, Herman | | | 1842 | AUS | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Spiller, Paul | | | 2005 | NZL | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | South Island Championship | Dunedin | NZL | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2050 | 3.00 | 5 | 0.13 | 15 | 1.95 | |
| | Nijman, Arie J | | | 1874 | NZL | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Aimers, Geoffrey | | | 1878 | NZL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Croad, Nicolas | f | | 2290 | NZL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Jackson, L. Ross | | | 1996 | NZL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Fraemohs, Peter | | | 1954 | NZL | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | Waikato Open 2009 | Hamilton | NZL | 2009-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2050 | 2.50 | 4 | 0.27 | 15 | 4.05 | |
| | Steadman, Michael | | | 2261 | NZL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Han, Daniel | | | 2191 | NZL | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Mitchell, Robert | | | 1715 | NZL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Gao, Hans | | | 1795 | NZL | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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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