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Individual Calculations April 2008 |
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| Zimmer, Ralph P Total change: -16.35 | |   |
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| 34th Annual Eastern Open | Washington DC | USA | 2007-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2269 | 2248 | 1.50 | 5 | -0.90 | 15 | -13.50 | |
|  Beckman, Thomas J | | | 2053 | USA | 0.00 | 1 | -0.75 | 15 | -11.25 | |  Mattson, Dane M | | | 2111 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Ivanov, Alexander | g | | 2565 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Smith, Bryan | m | | 2392 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Betaneli, Alexander | | | 2226 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | 40th Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2248 | 1.00 | 2 | -0.19 | 15 | -2.85 | |
| | Kis, Lorand | | | 2190 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Ying, Victor | | | 2170 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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