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Individual Calculations March 2012 |
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| Ostrovskiy, Aleksandr Total change: 16.05 | |   |
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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 |
| 2285 | 2313 | 4.00 | 6 | 0.79 | 15 | 11.85 | |
|  Miller, Jake S | | | 2021 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Velikhanli, Firuza | | wg | 2262 | AZE | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Krush, Irina | m | wg | 2476 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Treger, Yefim | | | 2202 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Stripunsky, Alexandr | g | | 2563 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Williams, Justus D | | | 2186 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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 |
| 2211 | 2319 | 3.00 | 4 | 0.51 | 15 | 7.65 | |
| | Paciulli, Frank R | | | 1944 | USA | 1.00 | 1 | 0.09 | 15 | 1.35 | | | West, James R | | | 2104 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Kudrin, Sergey | g | | 2533 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Salakhutdinov, Ildar | | | 2262 | RUS | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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) | | | | 2012 Marshall Invitational | New York, New York | USA | 2012-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2341 | 2319 | 4.00 | 9 | -0.23 | 15 | -3.45 | |
| | Pujol, Carlos | f | | 2313 | CUB | 1.00 | 1 | 0.49 | 15 | 7.35 | | | De Firmian, Nick E | g | | 2512 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Wu, Christopher | | | 2148 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Getz, Alec | f | | 2326 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Sorkin, Igor | | | 2374 | ISR | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Salakhutdinov, Ildar | | | 2262 | RUS | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Pressman, Leif A | f | | 2280 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Kekelidze, Mikheil | g | | 2458 | GEO | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Herman, Matthew J | | | 2396 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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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