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Individual Calculations March 2012 |
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| Tuhrim, Richard J Total change: 3.75 | |   |
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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 |
| 2252 | 2234 | 3.50 | 6 | 0.64 | 15 | 9.60 | |
|  Tallo, Emily | | | 1954 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Bierkens, Pieter A | | | 2175 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Bonin, Jay | m | | 2314 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Rohde, Michael A | g | | 2447 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Resika, Nathan | f | | 2146 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Krush, Irina | m | wg | 2476 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | 2012 Marshall January Grand Prix | New York, New York | USA | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2234 | 2.50 | 4 | -0.06 | 15 | -0.90 | |
| | Char, H W | | | 2003 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Rohde, Michael A | g | | 2447 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Margiotta, Jason J | | | 1956 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Polyakin, Vladimir | | | 2080 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | 44th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2234 | 2.50 | 5 | -0.33 | 15 | -4.95 | |
| | Bauza Mercere, Eduardo | | | 1855 | ARG | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Kahn, Aaron E | | | 2212 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Hua, David | | | 2151 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Dos Santos, Ramiro | m | | 2458 | ARG | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Defibaugh, Jared | | | 2192 | 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) | | |
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