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Individual Calculations March 2012 |
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| Rubenfeld, David I Total change: -6.00 | |   |
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| 44th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2023 | 2.00 | 4 | -0.20 | 30 | -6.00 | |
|  Slomski, Matt | | | 2052 | USA | 0.50 | 1 | 0.04 | 30 | 1.20 | |  Dong, Alice | | | 1784 | USA | 1.00 | 1 | 0.20 | 30 | 6.00 | | | Mucerino Jr, Joseph | | | 2079 | USA | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Richman, Jonathan | | | 2006 | USA | 0.50 | 1 | -0.02 | 30 | -0.60 | |
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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