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Individual Calculations March 2012 |
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| Plotkin, David Total change: -16.05 | |   |
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| 21st Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2113 | 2.50 | 5 | -0.42 | 15 | -6.30 | |
|  Rubinstein-Salzedo, Simon | | | 2031 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Dixon, Dakota E | | | 2067 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | |  Karas, Nicholas | | | 2080 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Feng, Roland | | | 2016 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Iinuma, Paul Y | | | 2063 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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 - U2300 Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2113 | 2.50 | 5 | -0.65 | 15 | -9.75 | |
| | Yagiz, Bora | | | 1908 | USA | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Robinson, Darrian | | | 1947 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Chen, Kevin E | | | 1995 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Yan, Gaibo | | | 2055 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Ng, Andrew | | | 2161 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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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