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Individual Calculations July 2009 |
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| Smith, Robert W Total change: 36.45 | |   |
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| Auckland Chess Centre Weekender | Auckland | NZL | 2009-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 2281 | 4.00 | 5 | 0.29 | 15 | 4.35 | |
|  Eade, Don | | | 1931 | NZL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Krstev, Antonio | | | 2068 | NZL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Steadman, Michael | | | 2273 | NZL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | McDonald, John | | | 2073 | NZL | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Wheeler, Bruce | | | 2067 | NZL | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | North Island Championship | Wellington | NZL | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2274 | 6.50 | 8 | 1.35 | 15 | 20.25 | |
| | King, Mathew | | | 1965 | NZL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Marner, Gavin | | | 2058 | NZL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Baider, Daniel | | | 2126 | NZL | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Ansell, Alan | | | 1986 | NZL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Dive, Russell John | m | | 2362 | NZL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Nijman, Brian | | | 2204 | NZL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Steadman, Michael | | | 2262 | NZL | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Croad, Nicolas | f | | 2293 | NZL | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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) | | | | 32nd Waitakere Open | Auckland | NZL | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2274 | 5.00 | 6 | 0.79 | 15 | 11.85 | |
| | Hill, Martin | | | 1955 | NZL | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Hair, Philip I | | | 2015 | NZL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Duneas, John | | | 2139 | NZL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Lim, Benjamin | | | 2127 | NZL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Han, Daniel | | | 2187 | NZL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Steadman, Michael | | | 2262 | NZL | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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