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Individual Calculations July 2012 |
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| Polyakin Jr, Vladimir Total change: -45.30 | |   |
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| 2012 Marshall April Grand Prix | New York, New York | USA | 2012-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 2077 | 0.00 | 1 | -0.86 | 15 | -12.90 | |
|  Aregbeyen, Aigboje | | | 1774 | USA | 0.00 | 1 | -0.86 | 15 | -12.90 | |
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 MCC May Grand Prix | New York, New York | USA | 2012-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 2078 | 1.50 | 2 | 0.37 | 15 | 5.55 | |
| | West, James R | | | 2112 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Robinson, Darrian | | | 1947 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | 2nd Annual New Yorker Open - U2300 Section | New York, New York | USA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2078 | 1.50 | 5 | -0.59 | 15 | -8.85 | |
| | Ryba, Andrew | | | 2194 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Hua, David | | | 2180 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Wang, Eigen | | | 2115 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Erdei, Andras | | | 2134 | HUN | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Castillo, Josue N | | | 2064 | DOM | 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) | | | | 18th Annual Northeast Open | Stamford, Connecticut | USA | 2012-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 2078 | 0.00 | 1 | -0.76 | 15 | -11.40 | |
| | Abe, Mahiro | | | 1876 | JPN | 0.00 | 1 | -0.76 | 15 | -11.40 | |
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) | | | | 2012 MCC June Grand Prix | New York, New York | USA | 2012-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2078 | 0.00 | 2 | -0.87 | 15 | -13.05 | |
| | Bonin, Jay Richard | m | | 2329 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Paciulli, Frank | | | 1944 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | |
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) | | | | 5th New York International - U2200 Section | New York, New York | USA | 2012-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2078 | 1.00 | 2 | -0.31 | 15 | -4.65 | |
| | Greco, Anthony F | | | 1971 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Gupta, Ram | | | 1957 | IND | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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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