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Individual Calculations August 2012 |
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| Black Jr, James A Total change: -23.70 | |   |
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| 40th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2355 | 2232 | 3.50 | 9 | 0.39 | 15 | 5.85 | |
|  Mitkov, Nikola | g | | 2527 | MKD | 0.00 | 1 | -0.15 | 15 | -2.25 | |  Wettasinha, Vasanta | | | 1832 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Nikhil, Shyam | m | | 2502 | IND | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Gulamali, Kazim | f | | 2318 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Maltese, Adam Samu | | | 2255 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Battaglini, Gabriel | m | | 2419 | FRA | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Romanov, Evgeny | g | | 2623 | RUS | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Garcia, Gildardo | g | | 2418 | COL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Jayakumar, Adarsh | | | 2300 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | * 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) | | | | 2012 US Cadet | Rockville, Maryland | USA | 2012-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2232 | 1.50 | 7 | -1.97 | 15 | -29.55 | |
| | Colas, Joshua | | | 2126 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Williams, Justus D | | | 2216 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Wu, Christopher | | | 2182 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Gu, Christopher | | | 2225 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Ostrovskiy, Aleksandr | f | | 2351 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Bodek, Michael H | f | | 2325 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Hua, David | | | 2216 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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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