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Individual Calculations July 2012 |
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| Barsky, Sam Alex Total change: 12.90 | |   |
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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 |
| 1979 | 2020 | 0.00 | 1 | -0.56 | 15 | -8.40 | |
|  Pillai, Kadhir | | | 1979 | USA | 0.00 | 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) | | | | 2012 MCC May Grand Prix | New York, New York | USA | 2012-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2020 | 0.50 | 3 | -0.27 | 15 | -4.05 | |
|  Ostrovskiy, Aleksandr | f | | 2322 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Moskow, Eric D | | | 2177 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Reverby, Miro | | | 2148 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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 |
| 2156 | 2020 | 1.00 | 3 | 0.05 | 15 | 0.75 | |
| | Hua, David | | | 2180 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Rosenberg, Evan S | | | 2166 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Corallo, Michael P | | | 2122 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | 18th Annual Northeast Open | Stamford, Connecticut | USA | 2012-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 2020 | 1.00 | 1 | 0.35 | 15 | 5.25 | |
| | Shi, Jason | | | 1912 | 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 National Open - U2200 Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 2020 | 1.00 | 1 | 0.44 | 15 | 6.60 | |
| | Cohen, Lawrence S | | | 1974 | USA | 1.00 | 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) | | | | 5th New York International - U2200 Section | New York, New York | USA | 2012-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2020 | 2.00 | 2 | 0.85 | 15 | 12.75 | |
| | Margiotta, Jason J | | | 1981 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Wu, Francois Yi Wei | | | 1950 | FRA | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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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