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Individual Calculations September 2011 |
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| Gunawan, Cheston Total change: 17.55 | |   |
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| 51st Annual Pacific Southwest Open | Los Angeles, California | USA | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2336 | 1936 | 0.00 | 1 | -0.08 | 15 | -1.20 | |
|  Yankovsky, Roman | | | 2336 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | 16th Annual Pacific Coast Open | Agoura Hills, California | USA | 2011-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 1936 | 0.50 | 2 | -0.22 | 15 | -3.30 | |
| | Sevian, Samuel | | | 2172 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Viswanadha, Kesav | | | 1919 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1936 | 2.50 | 4 | 1.47 | 15 | 22.05 | |
| | Gurevich, Dmitry | g | | 2336 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Berry, Frank K | | | 1900 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Finney, Stuart S | | | 2162 | USA | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Vilenchuk, Michael | | | 2183 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | * 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) | | |
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