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Individual Calculations September 2009 |
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| Haring, Ruth Inez Total change: 7.50 | |   |
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| 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 1978 | 2.00 | 4 | 0.58 | 15 | 8.70 | |
|  O`Donnell, Robert | | | 2054 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |  Dejmek, Mark W | | | 2118 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Luchan, Jason G | | | 2123 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Buehl, Walter M | | | 2050 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | 2009 Central California Open | Fresno, California | USA | 2009-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 1978 | 0.50 | 2 | -0.08 | 15 | -1.20 | |
| | Ebenezer, Joseph | | | 2151 | IND | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Fuentes, Romulo C | | | 2116 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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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