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Individual Calculations July 2008 |
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| Zimmer, Ralph Total change: 14.10 | |   |
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| World Amateur Team | Parsippany, New Jersey USA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2248 | 2.00 | 2 | 0.73 | 15 | 10.95 | |
|  Salman, Joel | f | | 2184 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Stein, Jeremy | | | 2117 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | 48th Annual Maryland Open | College Park, Maryland | USA | 2008-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2232 | 1.00 | 3 | -0.28 | 15 | -4.20 | |
| | Palatnik, Semion | g | | 2478 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | |  Enkhbat, Tegshsuren | f | | 2378 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Khojandi, Aryan | | | 2005 | USA | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | 17th Annual Chicago Open (U2300 Section) | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2232 | 3.50 | 5 | 0.49 | 15 | 7.35 | |
| | Vayserberg, Tatiania | | | 2056 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Anderson, Renard | f | | 2246 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Pappu, Ananth | | | 2175 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Cardona, Yulia | | wf | 2233 | CUB | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Times, Lawyer | | | 2063 | 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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