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Individual Calculations July 2010 |
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| Perelshteyn, Eugene Total change: -11.30 | |   |
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| 19th Annual Chicago Open | Wheeling, Illinois | USA | 2010-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2254 | 2534 | 5.50 | 8 | -1.13 | 10 | -11.30 | |
|  Ruiz Gonzalez, Guillermo | f | | 2146 | MEX | 0.50 | 1 | -0.41 | 10 | -4.10 | |  Zepeda, Lorena M | | wm | 2152 | ESA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Betaneli, Alex | f | | 2260 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Chow, Albert C | f | | 2253 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Gorman, Dov | f | | 2298 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Holt, Conrad | f | | 2375 | USA | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Dean, Jim H | f | | 2235 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Kiewra, Keaton | f | | 2311 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | |
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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