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Individual Calculations October 2012 |
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| Gradsky, Benjamin Total change: 6.60 | |   |
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| 58th Iowa Open Championship | Iowa City, Iowa | USA | 2012-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 2125 | 1.50 | 2 | -0.15 | 15 | -2.25 | |
|  Whitsell, Frank | | | 1782 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Juett, Jason R | | | 1913 | USA | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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 Okie Chess Festival - Open FIDE Round Robin | Tulsa, Oklahoma | USA | 2012-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2125 | 4.00 | 7 | 0.59 | 15 | 8.85 | |
| | Langer, Michael | f | | 2199 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Patton, Thomas A | | | 2073 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Steiner, Tim C | | | 2131 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Niggel, Christopher | | | 2063 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Mallela, Abhishek | | | 2095 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Braunlich, Thomas | | | 2222 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Galant, Sergey S | | | 2162 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | |
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) | | |
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