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Individual Calculations August 2012 |
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| Johnson, Chuck Total change: 15.75 | |   |
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| 2012 Jerry Spann Memorial/ OCF OK FIDE Open | Broken Arrow, Oklahoma | USA | 2012-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1910 | 2.50 | 4 | 1.05 | 15 | 15.75 | |
|  Amburn, Thomas | | | 2150 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Long, James | | | 2044 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Bulleigh, Adam Lee | | | 1864 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Zelnick, David E | | | 2008 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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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