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Individual Calculations March 2012 |
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| Black Jr, James A Total change: 27.30 | |   |
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| 30th Annual Empire City Open | New York, New York | USA | 2011-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2132 | 2.00 | 4 | -0.67 | 15 | -10.05 | |
|  Margiotta, Jason J | | | 1988 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | |  Bauza Mercere, Eduardo | | | 1855 | ARG | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Carre, Sylvain | | | 2129 | FRA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Miller, Jake S | | | 2021 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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 Marshall January Grand Prix | New York, New York | USA | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2163 | 3.00 | 3 | 1.50 | 15 | 22.50 | |
| | Kopiecki, Edward P | | | 1990 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Polyakin, Vladimir | | | 2080 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Rohde, Michael A | g | | 2447 | USA | 1.00 | 1 | 0.84 | 15 | 12.60 | |
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) | | | | 44th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2163 | 4.00 | 7 | 1.35 | 15 | 20.25 | |
| | Moorthy, Srinivas | | | 1934 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Bodek, Michael H | | | 2232 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Bartell, Thomas | f | | 2354 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Shen, Arthur | f | | 2203 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Mera, Angel A | f | | 2412 | ECU | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Ippolito, Dean | m | | 2459 | USA | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Krause, Benjamin | | | 2216 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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 Marshall February Grand Prix | New York, New York | USA | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2163 | 1.00 | 2 | -0.36 | 15 | -5.40 | |
| | Parhami, Payam | | | 2006 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Berg, George P | | | 2052 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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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