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Individual Calculations January 2009 |
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| He, Tianyi Total change: -30.00 | |   |
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| Los Angeles Open | Los Angeles, CA | USA | 2008-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2094 | 1.00 | 2 | 0.13 | 25 | 3.25 | |
|  Alonso, Francisco | | | 2065 | USA | 1.00 | 1 | 0.46 | 25 | 11.50 | |  Cardona, Yulia | | wf | 2219 | CUB | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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) | | | | 44th Annual American Open | Los Angeles, California | USA | 2008-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2094 | 0.00 | 3 | -1.33 | 25 | -33.25 | |
| | Carreto, Giovanni | c | | 2196 | MEX | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Beltran Medina, Jorge | | | 1992 | MEX | 0.00 | 1 | -0.64 | 25 | -16.00 | | | Bryant, John Daniel | | | 2223 | USA | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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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