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Individual Calculations July 2009 |
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| Davis, Tony Total change: -14.55 | |   |
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| Melbourne Chess Club Championship | Melbourne | AUS | 2009-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1967 | 4.50 | 9 | -0.25 | 15 | -3.75 | |
|  Ivanov, Nikola | | | 1794 | AUS | 1.00 | 1 | 0.27 | 15 | 4.05 | |  West, Guy | m | | 2317 | AUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Wyss, Felix | | | 1973 | AUS | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Wertheim, Stephen | | | 1852 | AUS | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Stewart, Scott | | | 1926 | AUS | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Skiotis, Pano | | | 2188 | AUS | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Anton, Sarah | | | 1682 | AUS | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Mijatovic, Bosko | | | 1893 | AUS | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Lycett, Garry | | | 1936 | AUS | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | | | Doeberl Cup Premier | Canberra | AUS | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1983 | 3.00 | 9 | -0.79 | 15 | -11.85 | |
| | Swathi, Ghate | | wg | 2330 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Pon, Nkrithika | | wf | 2180 | IND | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Goundar, Sanmogam | | | 1903 | FIJ | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Kordahi, Nicholas | | | 1913 | AUS | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Holland, Dennis | | | 1963 | AUS | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Lee, T H Bryan | | | 1918 | HKG | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Rout, Ian C. | | | 1992 | AUS | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Brown, Andrew | | | 2085 | AUS | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Hacche, David | | | 2176 | AUS | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Sydney International Open | Sydney | AUS | 2009-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 1983 | 2.50 | 7 | -0.34 | 15 | -5.10 | |
| | Mas, Hafizulhelmi | m | | 2333 | MAS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Draup, Hj. Abang Azman | | | 1725 | MAS | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Minor, Samuel | | | 2216 | GER | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Cheng, Bobby | | | 2103 | AUS | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Abbott, Peter | | | 1893 | AUS | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Stead, Kerry | | | 2087 | AUS | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Gibbons, Robert | | | 2067 | NZL | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | Victorian Open | Melbourne | AUS | 2009-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 1983 | 2.00 | 5 | 0.41 | 15 | 6.15 | |
| | Jones, Gawain C B | g | | 2333 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Lai, Jia Wen Gene | | | 1847 | MAS | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Lojanica, Milenko | | | 2124 | BIH | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Teichmann, Erik O M C | f | | 2323 | ENG | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Dizdarevic, Mehmedalija | | | 2081 | BIH | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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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