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Individual Calculations July 2011 |
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| Polyakin, Vladimir Total change: -12.75 | |   |
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| 2011Marshall CC Maypril Grand Prix | New York, New York | USA | 2011-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2104 | 1.00 | 1 | 0.43 | 15 | 6.45 | |
|  Wu, Christopher | | | 2051 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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) | | | | 2011 Marshall May Grand Prix | New York, New York | USA | 2011-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2302 | 2097 | 0.00 | 2 | -0.54 | 15 | -8.10 | |
|  Kekelidze, Mikheil | g | | 2463 | GEO | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Evans, Cory A | | | 2140 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | | | The New Yorker Open - U2400 Section | New York, New York | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2097 | 1.00 | 4 | -0.74 | 15 | -11.10 | |
| | Resika, Nathan | f | | 2162 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Salakhutdinov, Ildar | | | 2274 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Margiotta, Jason J | | | 1984 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Chernin, Oliver | | | 2159 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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