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Individual Calculations September 2009 |
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| Feuerstein, Arthur Total change: 5.85 | |   |
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| Dean of Chess Academy TransNet FIDE Invitational | Branchburg, New Jersey | USA | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 2106 | 4.50 | 9 | 0.48 | 15 | 7.20 | |
|  Chen, Kevin E | | | 2081 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | |  West, James R | | | 2162 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Hall, Timothy J | | | 2118 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Swaminathan, Rahul | | | 2060 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Ferrero, Steve | | | 2153 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Grasso, David | | | 2131 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Somers Jr, Michael | | | 2039 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Wu, Christopher | | | 2153 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Ippolito, Dean J | m | | 2455 | 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) | | | | 15th Annual Northeast Open | Stamford, Connecticut | USA | 2009-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2106 | 0.50 | 1 | -0.09 | 15 | -1.35 | |
| | Sobo, Henry C | | | 2040 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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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