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Individual Calculations July 2009 |
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| Abbott, Peter Total change: 40.85 | |   |
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| Norths Chess Club Championship | Sydney | AUS | 2009-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 1864 | 4.00 | 11 | 1.25 | 25 | 31.25 | |
|  Pickering, Anthony | | | 1931 | AUS | 1.00 | 1 | 0.59 | 25 | 14.75 | |  Hursky, Karel P | | | 2084 | AUS | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Mandla, Blair | | | 2116 | AUS | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Hutchings, Frank | | | 2002 | AUS | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Safarian, Alek | | | 2068 | AUS | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Viner, Phillip | | | 2119 | AUS | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Smirnov, Vladimir | f | | 2214 | RUS | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Dekic, Biljana N. | | wm | 2100 | AUS | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Liu, Steven Hern | | | 1887 | AUS | 0.50 | 1 | 0.03 | 25 | 0.75 | | | Chek, Adrian Carl | | | 2103 | AUS | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Hariman, Andre | | | 2096 | AUS | 0.00 | 1 | -0.21 | 25 | -5.25 | |
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) | | | NOTE: K factor changed | | Doeberl Cup Major | Canberra | AUS | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1893 | 2.00 | 3 | 0.06 | 15 | 0.90 | |
| | Tan, Kevin | | | 1956 | AUS | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Ng, Isaac | | | 1579 | AUS | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Ninchich, Milan | | | 1770 | AUS | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | NOTE: K factor changed | | Sydney International Open | Sydney | AUS | 2009-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 1893 | 2.00 | 7 | -0.05 | 15 | -0.75 | |
| | Illingworth, Max | c | | 2243 | AUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Zibaei, Abdoulla | | | 2067 | IRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Voon, Richard | | | 2006 | AUS | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Nakauchi, Gene | f | | 2076 | AUS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Davis, Tony | | | 1983 | AUS | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Chan, Jason | | | 2056 | AUS | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Holland, Dennis | | | 1963 | AUS | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | NOTE: K factor changed | | NSW Open | Sydney | AUS | 2009-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 1893 | 2.00 | 4 | 0.63 | 15 | 9.45 | |
| | Bjelobrk, Igor | f | | 2243 | AUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Rout, Ian C. | | | 1992 | AUS | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Christensen, Joshua | | | 1882 | AUS | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Huynh, Arthur | | | 1978 | AUS | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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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