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Individual Calculations September 2012 |
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| Kogen, Jonathan S Total change: 10.65 | |   |
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| 2012 Cleveland Open | Cleveland, Ohio | USA | 2012-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 2150 | 2.50 | 4 | 0.34 | 15 | 5.10 | |
|  Hayes, John R | | | 1969 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | |  Opaska, Michael P | | | 2010 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Boor, Carl Brandon | f | | 2312 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Menon, Gopal S | | | 2193 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | 7th Annual Indianapolis Open | Indianapolis, Indiana | USA | 2012-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 2150 | 3.50 | 5 | 0.37 | 15 | 5.55 | |
| | Zhang, Yuanchen | | | 1919 | CAN | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Chen, Michael | | | 2014 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Criss, Nathaniel | | | 1999 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Umezinwa, George O | | | 2221 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Mills, James A | | | 2105 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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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