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Individual Calculations November 2009 |
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| Small, Gregg H Total change: -36.60 | |   |
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| 31st Annual Southern California Open | San Diego, California | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2303 | 1.50 | 4 | -1.73 | 15 | -25.95 | |
|  Nagaran, Michael | | | 2056 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Tan, Jared E | | | 2025 | USA | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Troff, Kayden Will | | | 2174 | USA | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Zhang, Eric R | | | 1903 * | USA | 0.50 | 1 | -0.42 | 15 | -6.30 | | | * 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) | | | | 2009 Los Angeles Open | Los Angeles, California | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2303 | 1.50 | 3 | -0.71 | 15 | -10.65 | |
| | Akopian, Robert | | | 2108 | USA | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Popova, Elena | | | 2049 | RUS | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Adelberg, David | | | 2195 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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) | | |
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