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Individual Calculations October 2017 |
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| Zhang, Brendan Total change: 92.80 | |   |
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| Seattle Chess Classic | Seattle, Washington | USA | 2017-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1877 | 3.50 | 7 | 1.37 | 40 | 54.80 | |
|  Lee, Megan | | wm | 2158 | USA | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Perez, Ignacio | f | | 2101 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Feng, Roland | f | | 2277 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sohal, Tanraj | f | | 2277 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Truelson, Joseph | | | 1848 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Bashkansky, Naomi | | wf | 1862 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Kuhner, Mary | | wc | 1856 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | * 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) | | | | 67th Annual Oregon Open | Portland, Oregon | USA | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1877 | 3.00 | 5 | 0.77 | 40 | 30.80 | |
| | Levine, Joseph | | | 1791 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Petrov, Oscar | | | 1734 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Cigan, Jason | | | 2064 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Breckenridge, Steven | f | | 2277 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zhang, Eric M | | | 1822 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Seattle Masters September 2017 | Seattle, Washington | USA | 2017-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1877 | 1.00 | 3 | 0.18 | 40 | 7.20 | |
| | Lee, Addison | | | 1999 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Breckenridge, Steven | f | | 2277 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yu, Jason | | | 1941 | USA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | * 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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