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Individual Calculations July 2009 |
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| Ivanov, Nikola Total change: -48.00 | |   |
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| Melbourne Chess Club Championship | Melbourne | AUS | 2009-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1794 | 1.00 | 5 | -1.55 | 15 | -23.25 | |
|  Davis, Tony | | | 1967 | AUS | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Wertheim, Stephen | | | 1852 | AUS | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Beckman, John | | | 1679 | AUS | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Watson, Jean | | | 1505 | AUS | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Mijatovic, Bosko | | | 1893 | AUS | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | Noble Park Chess Club Championship | Melbourne | AUS | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 1794 | 0.00 | 2 | -1.02 | 15 | -15.30 | |
| | Sucevic, Milic | | | 1786 | AUS | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Russell, Luthien | | | 1786 | AUS | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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) | | | | Doeberl Cup Major | Canberra | AUS | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1747 | 1789 | 1.00 | 3 | -0.66 | 15 | -9.90 | |
| | Russell, Luthien | | | 1769 | AUS | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Reid, Vaness | | | 1837 | AUS | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Zamahari, Abang Draup | | | 1636 | MAS | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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 Challengers | Sydney | AUS | 2009-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1789 | 1.00 | 2 | 0.03 | 15 | 0.45 | |
| | Greenwood, Norman | | | 1743 | AUS | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Shaw, Robin A. | | | 1853 | AUS | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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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