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Individual Calculations March 2012 |
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| Ryba, Andrew Total change: 0.75 | |   |
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| 2011 Pan American Intercollegiate Chess Tournament | Fort Worth, Texas | USA | 2011-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2149 | 2.00 | 4 | 0.27 | 15 | 4.05 | |
|  Ramsay, Zachary | | | 1946 | JAM | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Holt, Conrad | m | | 2461 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Jamison, Courtney | | | 1994 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Diamant, Andre | g | | 2489 | BRA | 0.50 | 1 | 0.38 | 15 | 5.70 | |
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) | | | | 44th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2174 | 0.50 | 1 | -0.22 | 15 | -3.30 | |
| | Richman, Jonathan | | | 2006 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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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