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Individual Calculations October 2008 |
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| Guo, Gill Y Total change: 9.75 | |   |
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| 5th George Washington Open | Springfield, Virginia | USA | 2008-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2309 | 2109 | 1.50 | 2 | 0.99 | 15 | 14.85 | |
|  Smith, Bryan G | m | | 2395 | USA | 1.00 | 1 | 0.84 | 15 | 12.60 | |  Uesugi, Shinsaku | | | 2222 | JPN | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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 |
| 2129 | 2106 | 2.00 | 5 | -0.34 | 15 | -5.10 | |
| | Haskel, Jeffrey | | | 2101 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Collier, Philip M | | | 2098 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Magar, Thomas P | | | 2097 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | De, Fotis Gary C | | | 2154 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Hutchinson, Antoine | | | 2193 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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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