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Individual Calculations September 2010 |
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| Akopian, Robert Total change: -19.95 | |   |
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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 |
| 2011 | 2108 | 2.50 | 5 | -0.56 | 15 | -8.40 | |
|  Field, Frederick W | | | 1990 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Robertson, Matthew | | | 2038 | USA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Liao, Simone | | wf | 1708 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Taylor, Timothy W | m | | 2327 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Hough, Randall D | | | 1991 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | * 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) | | | | 15th Annual Pacific Coast Open | Agoura Hills, California | USA | 2010-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2108 | 1.50 | 4 | -0.66 | 15 | -9.90 | |
| | Sevillano, Enrico | m | | 2502 | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Pabon, Tony | | | 1708 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Liu, Daniel | | | 1935 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Kavutskiy, Konstantin | | | 2157 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | * 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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 2108 | 1.50 | 3 | -0.11 | 15 | -1.65 | |
| | High, David L | | | 1886 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Helfst, Matt | | | 1933 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Sadorra, Julio C | m | | 2473 | PHI | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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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