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Individual Calculations May 2011 |
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| Ivanov, Alexander Total change: 9.30 | |   |
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| 20th Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2424 | 2540 | 3.50 | 5 | 0.26 | 10 | 2.60 | |
|  Zenyuk, Iryna | c | wm | 2245 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Hungaski, Robert A | m | | 2446 | USA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Kudrin, Sergey | g | | 2551 | USA | 0.00 | 1 | -0.48 | 10 | -4.80 | | | Stopa, Jacek | m | | 2453 | POL | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Esserman, Marc R | m | | 2425 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | |
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) | | | | 2nd Annual Hartford Open | Windsor Locks, Connecticut | USA | 2011-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2478 | 2540 | 2.00 | 3 | 0.27 | 10 | 2.70 | |
| | Dominguez, Jose | m | | 2338 | DOM | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Kudrin, Sergey | g | | 2551 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | | | De Firmian, Nick E | g | | 2546 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | |
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 US Championship - Group A | St Louis, Missouri | USA | 2011-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2584 | 2540 | 3.50 | 7 | 0.40 | 10 | 4.00 | |
| | Kamsky, Gata | g | | 2733 | USA | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Stripunsky, Alexander | g | | 2578 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Naroditsky, Daniel | m | | 2438 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Shulman, Yury | g | | 2622 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Ehlvest, Jaan | g | | 2586 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Akobian, Varuzhan | g | | 2611 | USA | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Robson, Ray | g | | 2522 | USA | 0.00 | 1 | -0.53 | 10 | -5.30 | |
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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