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Individual Calculations September 2009 |
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| Owen, Steven A Total change: -3.15 | |   |
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| 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2434 | 2084 | 0.00 | 2 | -0.22 | 15 | -3.30 | |
|  Robson, Ray | m | | 2434 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Smith, Bryan G | m | | 2434 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2084 | 1.00 | 3 | 0.01 | 15 | 0.15 | |
| | Cooke, Eric N | | | 2204 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Figler, Ilye | f | | 2319 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Ruiz Gonzalez, Gui | f | | 2130 | MEX | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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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