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Individual Calculations July 2008 |
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| Haskel, Jeffrey Total change: -4.35 | |   |
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| 2008 Frank K Berry U.S. Championship - Qualifier Fide Open | Tulsa, Oklahoma | USA | 2008-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2105 | 1.50 | 5 | -0.76 | 15 | -11.40 | |
|  Finegold, Benjamin | m | | 2455 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Itkis, Hana | | wf | 2065 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Mason, Mike | | | 2054 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Holt, Conrad | | | 2169 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Cohen, Lawrence | | | 2022 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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) | | | | 17th Annual Chicago Open (U2300 Section) | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2105 | 1.50 | 3 | 0.35 | 15 | 5.25 | |
| | Rogers, Norman | f | | 2222 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Airapetian, Chouchani | | wf | 2092 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Formanek, Edward | m | | 2264 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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) | | | | 2008 National Open | Las Vegas, Nevada | USA | 2008-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2333 | 2105 | 1.00 | 4 | 0.12 | 15 | 1.80 | |
| | Friedel, Josh | m | | 2455 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tuvshintugs, Batchime | | wm | 2278 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Serpik, Ilia | | | 2251 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Adamson, Robby | f | | 2349 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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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