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Individual Calculations July 2010 |
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| Gardner, Justin L Total change: 15.45 | |   |
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| 19th Annual Chicago Open | Wheeling, Illinois | USA | 2010-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 2174 | 4.00 | 8 | 0.67 | 15 | 10.05 | |
|  Akobian, Varuzhan | g | | 2574 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Gurczak, John | | | 2069 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Molner, Mackenize | | | 2439 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Helfst, Matt | | | 1884 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Zin, Aung T | f | | 2326 | MYA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Homa, Seth | f | | 2295 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Murthy, Pappu | | | 2085 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Hughes, Tyler B | | | 2296 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | * 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) | | | | 2101 Copper State International Qualifier | Mesa, Arizona | USA | 2010-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1936 | 2174 | 3.50 | 4 | 0.36 | 15 | 5.40 | |
| | Harmon-Vellotti, Carl | | | 1805 | USA | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Eng, Randel | | | 1994 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Williams, John M | | | 2045 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Thompson, Buddy | | | 1898 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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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