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Individual Calculations September 2009 |
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| Berry, Jim Total change: -14.40 | |   |
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| 64th OCF Oklahoma Open - Jerry Spann Memorial | Bricktown, Oklahoma | USA | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 2033 | 1.00 | 2 | -0.22 | 15 | -3.30 | |
|  Wright, Terry | | | 2005 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Temple, Judson | | | 1901 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2033 | 0.00 | 2 | -0.74 | 15 | -11.10 | |
| | Finegold, Benjamin | m | | 2433 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Fan, Yun | | | 1916 | USA | 0.00 | 1 | -0.66 | 15 | -9.90 | | | * 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) | | |
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