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Individual Calculations September 2011 |
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| Yagiz, Bora Total change: -13.20 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 1901 | 0.50 | 6 | -0.92 | 15 | -13.80 | |
|  Bick, John D | f | | 2237 | USA | 0.50 | 1 | 0.38 | 15 | 5.70 | |  Iwu, Okechukwu A | | | 2158 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Kudryavtsev, Vadim | | | 2104 | RUS | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Zepeda, Lorena M | | wm | 2185 | ESA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Harmon-Vellotti, Carl | | | 1831 | USA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Aravena Sloan Sr, | | | 2230 | 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) | | | | 2011 July FIDE Monday | New York, New York | USA | 2011-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 1901 | 1.00 | 4 | -0.14 | 15 | -2.10 | |
| | Black Jr, James A | | | 2105 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Moon, Kyle | | | 2054 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Sena, Juan | | | 2160 | DOM | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Frumkin, Edward A | | | 1958 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | 2011 Marshall August Grand Prix | New York, New York | USA | 2011-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1901 | 1.00 | 2 | 0.37 | 15 | 5.55 | |
| | Bhatty, Karan | | | 2066 | IND | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Layevskiy, Michael | | | 2008 | USA | 1.00 | 1 | 0.65 | 15 | 9.75 | |
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) | | | | 2011 Manhattan Open - Open Section | New York, New York | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 1901 | 1.00 | 6 | -0.19 | 15 | -2.85 | |
| | Berube, Richard | f | | 2186 | CAN | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Cadman, Charles | | | 2269 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Prilleltensky, Matan | | | 2090 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Atanasiu, Nicolae | | | 2007 | BEL | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Black Jr, James A | | | 2105 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Velikhanli, Firuza | | wg | 2301 * | AZE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | |
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