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Individual Calculations September 2011 |
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| Jones Jr, Joe C Total change: -6.30 | |   |
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| 39th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 1959 | 0.50 | 5 | -0.48 | 30 | -14.40 | |
|  Garcia, Gildardo J | g | | 2359 * | COL | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Liam, Henry | | | 2150 | CAN | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Aaron, Deepak | | | 2288 | USA | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Shen, Arthur | f | | 2146 | USA | 0.50 | 1 | 0.24 | 30 | 7.20 | | | Leve, Nitai D | | | 2131 | USA | 0.00 | 1 | -0.27 | 30 | -8.10 | | | * 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) | | | | 2011 US Senior Open | Houston, Texas | USA | 2011-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2112 | 1968 | 1.00 | 2 | 0.27 | 30 | 8.10 | |
| | O`Neill, Julie Ann | | | 1855 | USA | 1.00 | 1 | 0.35 | 30 | 10.50 | | | Bradford, Joseph M | m | | 2368 * | USA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | * 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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