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Individual Calculations September 2010 |
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| Peters, Jack Total change: -22.50 | |   |
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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 |
| 2126 | 2379 | 1.50 | 3 | -0.92 | 10 | -9.20 | |
|  Huang, Vincent | | | 2092 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Liou, Yian | | | 2211 | USA | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Nita, Marian N | | | 2074 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | |
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) | | | | Southern California Championship | Los Angeles, CA | USA | 2010-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2379 | 3.00 | 7 | -1.33 | 10 | -13.30 | |
| | Wang, Philip Xiao | f | | 2293 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | |  Banawa, Joel | f | | 2345 | USA | 0.00 | 1 | -0.55 | 10 | -5.50 | | | Gupta, Ankit | | | 2204 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Casella, Michael | f | | 2282 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Taylor, Timothy W | m | | 2327 | USA | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Kavutskiy, Konstantin | | | 2157 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Lakdawala, Cyrus F | m | | 2415 | USA | 0.00 | 1 | -0.45 | 10 | -4.50 | |
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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