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Individual Calculations September 2010 |
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| Robertson, Matthew Total change: 22.25 | |   |
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| 50th Annual Pacific Southwest Open | Los Angeles, California | USA | 2010-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2038 | 2.00 | 4 | 0.41 | 25 | 10.25 | |
|  Akopian, Robert | | | 2108 | USA | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Kavutskiy, Konstantin | | | 2157 | USA | 0.50 | 1 | 0.16 | 25 | 4.00 | |  Phillips, Jeff | | | 2041 | USA | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Kurosaki, Takashi | | | 2145 | USA | 0.00 | 1 | -0.35 | 25 | -8.75 | |
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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2038 | 2.00 | 3 | 0.48 | 25 | 12.00 | |
| | Brownscombe, Tom | f | | 2182 | USA | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Strenzwilk, Denis | | | 2003 | USA | 0.50 | 1 | -0.05 | 25 | -1.25 | | | Zhang, Eric | | | 1924 | USA | 1.00 | 1 | 0.34 | 25 | 8.50 | |
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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