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Individual Calculations July 2009 |
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| Baumgartner, Chris Total change: 2.85 | |   |
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| Midwest Chess | Chicago, Illinois | USA | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1875 | 1.00 | 3 | 0.01 | 15 | 0.15 | |
|  Inumerable, Florentino | | | 2176 | USA | 1.00 | 1 | 0.85 | 15 | 12.75 | |  Cohen, Lawrence S | | | 2055 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kosteris, Dimitri | | | 1821 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 27th North American FIDE Open | Stillwater, Oklahoma | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1875 | 0.50 | 1 | 0.18 | 15 | 2.70 | |
| | Hughes, Devin L | | | 2011 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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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