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Individual Calculations September 2010 |
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| Stepp, Bob Total change: 28.25 | |   |
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| 65th OCF Oklahoma Open - Jerry Spann Memorial | Stillwater, Oklahoma | USA | 2010-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1944 | 2.00 | 2 | 1.13 | 25 | 28.25 | |
|  Markley, Jim | | | 1968 | USA | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Noor, Taimoor | | | 2013 | USA | 1.00 | 1 | 0.60 | 25 | 15.00 | |
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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