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Individual Calculations April 2008 |
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| Zimbeck, David Total change: 4.20 | |   |
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| 25th Annual U.S Amateur Team West | Los Angeles, CA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2352 | 2188 | 1.50 | 4 | 0.28 | 15 | 4.20 | |
|  Casella, Michael | f | | 2286 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Kudrin, Sergey | g | | 2538 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Borgen, Richard | | | 2164 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Peters, Jack | m | | 2421 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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