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Individual Calculations July 2011 |
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| Black Jr, James A Total change: 10.80 | |   |
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| 2011 Marshall May Grand Prix | New York, New York | USA | 2011-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 2094 | 1.00 | 1 | 0.56 | 15 | 8.40 | |
|  Evans, Cory A | | | 2140 | 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) | | | | The New Yorker Open - U2400 Section | New York, New York | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 2094 | 2.00 | 3 | 0.51 | 15 | 7.65 | |
|  Sells, Philip G | | | 1899 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Salakhutdinov, Ildar | | | 2274 | RUS | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Ryba, Nicholas | | | 2105 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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) | | | | 4th New York International | New York, New York | USA | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2094 | 3.50 | 9 | -0.35 | 15 | -5.25 | |
| | Sorkin, Igor | | | 2380 | ISR | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Vazquez, Raul | c | | 2217 | PUR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Resika, Nathan | f | | 2162 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Richman, Jonathan | | | 2066 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Bodek, Michael H | | | 2180 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Romanenko, Alexandra | | wf | 2025 | BLR | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Chiang, Michael | | | 2092 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Tom, George | | | 2034 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Krause, Benjamin | | | 2204 | 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) | | |
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