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Individual Calculations March 2011 |
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| Hua, David Total change: 23.85 | |   |
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| 29th Annual Empire City Open | New York, New York | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 1989 | 3.00 | 6 | 1.49 | 15 | 22.35 | |
|  Ostrovskiy, Aleksandr A | f | | 2309 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Bonin, Jay R | m | | 2322 | USA | 0.50 | 1 | 0.38 | 15 | 5.70 | |  Finney, Stuart S | | | 2076 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Wang, Eigen | | | 2136 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Katz, Benjamin J | | | 2111 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Zaderman, Vitaly | | | 2184 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | |
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) | | | | 43rd Annual Liberty Bell - U2300 Section | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1989 | 3.00 | 6 | 0.10 | 15 | 1.50 | |
| | Yagiz, Bora | | | 1896 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Strenzwilk, Denis | | | 2027 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Sells, Philip G | | | 1893 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Guevara, Robert N | | | 2119 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Gershenov, Ben | | | 2047 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Sakai, Hibiki | | | 2027 | JPN | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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