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Individual Calculations July 2009 |
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| De Guzman, Ricardo Total change: 1.20 | |   |
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| 9th Annual Sands Regency Reno - Far West Open | Reno, Nevada | USA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2301 | 2390 | 1.00 | 2 | -0.20 | 10 | -2.00 | |
|  Alsasua, Eleuterio | | | 2111 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Antal, Gergely | m | | 2490 | HUN | 0.00 | 1 | -0.36 | 10 | -3.60 | |
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) | | | | 2009 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2320 | 2390 | 1.50 | 2 | 0.32 | 10 | 3.20 | |
| | Hilton, Jonathan L | | | 2220 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Bradford, Joseph M | m | | 2419 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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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