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Individual Calculations July 2009 |
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| Hughes, Tyler B Total change: 48.15 | |   |
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| 2009 US Championship | St. Louis, Missouri | USA | 2009-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2523 | 2230 | 3.00 | 8 | 1.67 | 15 | 25.05 | |
|  Gulko, Boris | g | | 2561 | USA | 1.00 | 1 | 0.88 | 15 | 13.20 | |  Onischuk, Alexander | g | | 2580 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Becerra, Julio J | g | | 2580 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Benjamin, Joel | g | | 2580 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ibragimov, Ildar | g | | 2580 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Shankland, Samuel | m | | 2446 | USA | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Christiansen, Larry | g | | 2580 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Eckert, Doug D | f | | 2275 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | |
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) | | | | 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2237 | 2230 | 3.50 | 4 | 1.54 | 15 | 23.10 | |
| | Schill Ii, William | f | | 2239 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Wright, William B | | | 2186 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Jones, Craig | | | 2263 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Langer, Michael | f | | 2260 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | |
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