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Individual Calculations September 2010 |
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| Chiang, Jonathan Total change: 32.10 | |   |
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| 38th Annual World Open - Open Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1670 | 0.00 | 1 | -0.12 | 15 | -1.80 | |
|  Beckman, Thomas J | | | 2007 | USA | 0.00 | 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) | | | | 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1670 | 1.50 | 8 | 0.41 | 15 | 6.15 | |
|  Koo, Oliver T | | | 2070 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Karklins, Andrew | f | | 2070 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Lein, Anatoly | g | | 2070 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Chiang, Michael | | | 1970 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | De Fotis, Gary C | | | 2070 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Collier, Philip M | | | 2070 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Nieto, Manuel V | | | 1738 | COL | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Sakai, Hibiki | | | 1986 | JPN | 0.50 | 1 | 0.37 | 15 | 5.55 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2010 US Junior Open | Houston, Texas | USA | 2010-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 1682 | 1.00 | 2 | 0.83 | 15 | 12.45 | |
| | Datta, Deepyaman | | | 2082 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Qi, George | | | 2060 | USA | 1.00 | 1 | 0.91 | 15 | 13.65 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Festival Panamericano da Juventude 2010 - U 10 Open | Bento Goncalves - Rio Grande do Sul - BRA | BRA | 2010-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1682 | 1.50 | 2 | 1.02 | 15 | 15.30 | |
| | He, Tommy O | c | | 1822 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Quinonez, Santiago | | | 1956 | COL | 1.00 | 1 | 0.83 | 15 | 12.45 | |
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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