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Individual Calculations July 2009 |
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| Tuhrim, Richard J Total change: 19.95 | |   |
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| New York March Open | New York, New York | USA | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2028 | 1.00 | 3 | 0.35 | 15 | 5.25 | |
|  Sarkar, Justin | m | | 2378 | USA | 1.00 | 1 | 0.89 | 15 | 13.35 | |  Lenderman, Alex | m | | 2378 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Widmaier, Marc | | | 2077 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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) | | | | 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2022 | 3.00 | 8 | 0.98 | 15 | 14.70 | |
| | Gorman, Dov | f | | 2289 | USA | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Zenyuk, Iryna | c | wm | 2305 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Santarius, Erik F | | | 2252 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Rueda, Libardo | | | 2208 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Zepeda, Lorena Mar | | wm | 2179 | ESA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Strenzwilk, Denis | | | 2079 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Kis, Lorand B | | | 2189 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Williams, Christopher | | | 2244 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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