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Individual Calculations July 2009 |
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| Hollinberger, Drew Total change: 43.45 | |   |
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| 47th Cincinnati Open | Cincinnati, Ohio | USA | 2009-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 1899 | 1.50 | 4 | 0.56 | 25 | 14.00 | |
|  Finegold, Benjamin | m | | 2249 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Fan, Yun | | | 1895 | CHN | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Whaley, Davis | | | 2249 | USA | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Ramer, Scott | | | 2133 | USA | 0.50 | 1 | 0.29 | 25 | 7.25 | |
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) | | | | 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 1917 | 2.50 | 7 | 1.16 | 25 | 29.00 | |
| | Rios, Adrian | | | 2244 | MEX | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Magness, Trevor S | | | 2122 | USA | 1.00 | 1 | 0.76 | 25 | 19.00 | | | Zepeda, Lorena M | | wm | 2179 | ESA | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Aliyev, Timur | | | 2229 | ISR | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Lowinger, Daniel L | | | 2064 | USA | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Whaley, Davis M | | | 2257 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Cates, James S | | | 2126 | USA | 0.50 | 1 | 0.27 | 25 | 6.75 | |
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) | | | NOTE: K factor changed | | 51st Gem City Open | Dayton, Ohio | USA | 2009-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1917 | 1.00 | 3 | 0.03 | 15 | 0.45 | |
| | Bixel, Carl | | | 2166 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Cao, Kevin | | | 1938 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Dowling, John | | | 2058 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | |
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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