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Individual Calculations May 2012 |
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| Cheng, Bobby Total change: 7.95 | |   |
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| Ballarat Begonia Open 2012 | Ballarat | AUS | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2344 | 5.50 | 7 | -0.56 | 15 | -8.40 | |
|  Kempen, Leon | | | 2003 | AUS | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Pyke, Malcolm | | | 2138 | AUS | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Davies, Stephen | | | 1944 * | AUS | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Tionko, Efrain | | | 1944 * | AUS | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Tang, Jason | | | 2056 | AUS | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Zelesco, Karl | | | 2048 | AUS | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Cameron, Alistair | | | 1988 | AUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | O2C Doeberl Cup Premier 2012 | Canberra | AUS | 2012-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2345 | 2344 | 5.00 | 9 | 0.59 | 15 | 8.85 | |
| | Yu, Derek | | | 2001 | AUS | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Zhao, Zong-Yuan | g | | 2556 | AUS | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Rathnakaran, K. | m | | 2410 | IND | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Li, Zuhao Luke | | | 2170 | NZL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Czebe, Attila | g | | 2477 | HUN | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Zeng, Chongsheng | m | | 2435 | CHN | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Bird, Andrew | | | 2201 | AUS | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Johansen, Darryl K. | g | | 2444 | AUS | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Akshat, Khamparia | m | | 2411 | IND | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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) | | | | 6th Sydney International Open 2012 | Sydney | AUS | 2012-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2344 | 6.50 | 9 | 0.50 | 15 | 7.50 | |
| | Bai, Jinshi | | | 2231 | CHN | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Safarian, Alek | | | 2036 | AUS | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Nazari, Sattar | | | 2071 | IRI | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Lester, George E | | | 1990 | AUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Marner, Gavin | | | 2026 | NZL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Ly, Moulthun | m | | 2402 | AUS | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Scharrer, Patrick | f | | 2283 | ITA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Ovcina, Dennis | | | 2220 | RSA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Szabo, Gergely-Andras-Gyula | g | | 2553 | ROU | 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) | | |
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