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Individual Calculations October 2008 |
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| Kaufman, Lawrence Total change: 14.60 | |   |
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| 5th George Washington Open | Springfield, Virginia | USA | 2008-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2365 | 3.50 | 4 | 0.66 | 10 | 6.60 | |
|  Mc, Intosh Shawn R | | | 2131 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | |  Schoch, Ian David | | | 2015 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Shapiro, Jonathan | | | 2015 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Paragua, Mark C | g | | 2538 | PHI | 0.50 | 1 | 0.23 | 10 | 2.30 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2376 | 3.00 | 4 | 0.80 | 10 | 8.00 | |
| | Thaler, Michael | | | 2149 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Zimmer, Ralph P | f | | 2246 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Erenburg, Sergey | g | | 2563 | ISR | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Smith, Bryan G | m | | 2394 | USA | 1.00 | 1 | 0.53 | 10 | 5.30 | |
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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