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Individual Calculations May 2010 |
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| Harmon-Vellotti, Carl Total change: -8.50 | |   |
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| 10th Annual Reno - Far West Open | Reno, Nevada | USA | 2010-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1813 | 0.50 | 4 | -0.52 | 25 | -13.00 | |
|  Kelley, Dereque D | | | 2194 | USA | 0.00 | 1 | -0.09 | 25 | -2.25 | |  Trammell Iii, Geor | | | 2055 | USA | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Gray, William | | | 1815 | USA | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Imada, Todd | | | 2025 | USA | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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) | | | | 8th Annual Western Pacific Open | Los Angeles, California | USA | 2010-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 1813 | 1.00 | 4 | 0.18 | 25 | 4.50 | |
| | Clawitter, Craig | | | 2127 | USA | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Kudryavtsev, Vadim | | | 2213 * | RUS | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Zhang, Eric | | | 1917 | USA | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Brown, Michael W | | | 2017 | USA | 0.00 | 1 | -0.24 | 25 | -6.00 | | | * 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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