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Individual Calculations July 2009 |
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| Cheng, Bobby Total change: 51.90 | |   |
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| Noble Park Chess Club Championship | Melbourne | AUS | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2098 | 5.00 | 8 | -0.02 | 15 | -0.30 | |
|  Sannidhanam, Anurag | | | 1748 | AUS | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Matheson, Laurence | | | 1943 | AUS | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Stojic, Svetozar | | | 1971 | AUS | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Schon, Eugene | | | 2115 | AUS | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Tan, Justin | | | 1870 | AUS | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Abdul Wahab, A. Rasheed | f | | 2048 | IRQ | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Stojic, Dusan | | | 2219 | AUS | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Khaled, Omar | | | 2045 | BAN | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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) | | | | Doeberl Cup Premier | Canberra | AUS | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 2103 | 4.00 | 9 | 0.66 | 15 | 9.90 | |
| | Mas, Hafizulhelmi | m | | 2425 | MAS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Goundar, Sanmogam | | | 1903 | FIJ | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ikeda, Junta | | | 2261 | AUS | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Dalton, Samuel | | | 1932 | AUS | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Stojic, Dusan | | | 2229 | AUS | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Mohota, Nisha | | wg | 2304 | IND | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Pon, Nkrithika | | wf | 2180 | IND | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Ambrus, Endre | | | 2375 | AUS | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Dragicevic, Domagoj | | | 2251 | AUS | 0.00 | 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 Open | Sydney | AUS | 2009-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 2103 | 4.00 | 8 | 1.15 | 15 | 17.25 | |
| | Lane, Gary W. | m | | 2371 | AUS | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Solomon, Stephen J. | m | | 2453 | AUS | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Ghane, Shojaat | g | | 2415 | IRI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Davis, Tony | | | 1983 | AUS | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Smirnov, Vladimir | f | | 2365 | RUS | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Charles, Gareth | | | 2160 | AUS | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Minor, Samuel | | | 2216 | GER | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Setiabudi, Allen | | | 1843 | AUS | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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 |
| 2117 | 2103 | 5.00 | 7 | 1.67 | 15 | 25.05 | |
| | Brockman, Roland | | | 1764 | AUS | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Bearup, Paul | | | 1800 | AUS | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Voon, Richard | | | 2006 | AUS | 1.00 | 1 | 0.37 | 15 | 5.55 | | | West, Guy | m | | 2343 | AUS | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Rujevic, Mirko | m | | 2282 | AUS | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Levi, Eddy | f | | 2216 | AUS | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Goldenberg, Igor | f | | 2411 | AUS | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | |
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