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Individual Calculations October 2008 |
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| Zimmer, Ralph P Total change: 37.65 | |   |
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| 2008 Chesapeake Open | Baltimore, Maryland | USA | 2008-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2332 | 2232 | 2.50 | 3 | 1.41 | 15 | 21.15 | |
|  Enkhbat, Tegshsuren | f | | 2378 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | |  Smith, Bryan G | m | | 2395 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Uesugi, Shinsaku | | | 2222 | JPN | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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) | | | | 36th Annual World Open (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2232 | 4.00 | 6 | 1.42 | 15 | 21.30 | |
| | Markovits, Alex | | | 2184 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Amanov, Mesgen | m | | 2396 | TKM | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Gulamali, Kazim | f | | 2343 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Bick, John D | f | | 2201 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Rizzitano, James A | m | | 2323 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Marquez, Raul G | | | 2261 | ECU | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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 Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2376 | 2246 | 0.00 | 1 | -0.32 | 15 | -4.80 | |
| | Kaufman, Lawrence | m | | 2376 | USA | 0.00 | 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) | | |
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