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Individual Calculations September 2011 |
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| Webb, Mike K Total change: -34.20 | |   |
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| 66th OCF Oklahoma Open - Jerry Spann Memorial - FIDE Championship | Oklahoma City, Oklahoma | USA | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1966 | 1.00 | 2 | 0.12 | 30 | 3.60 | |
|  Galant, Sergey | | | 2148 | USA | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Carlson, Martin | | | 1876 | USA | 1.00 | 1 | 0.38 | 30 | 11.40 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 1966 | 0.00 | 3 | -1.26 | 30 | -37.80 | |
| | Esserman, Marc R | m | | 2366 * | USA | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Jahnke, Gregg A | | | 1790 | USA | 0.00 | 1 | -0.73 | 30 | -21.90 | | | Hellwig, Luke | | | 2003 | USA | 0.00 | 1 | -0.45 | 30 | -13.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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