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Individual Calculations April 2009 |
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| Tuhrim, Richard J Total change: -6.00 | |   |
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| 4th Annual Empire State Open | Saratoga Springs, New York | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2020 | 1.00 | 3 | 0.14 | 15 | 2.10 | |
|  Arkell, Keith C | g | | 2370 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Pinkerton, James C | | | 2059 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Wang, Eigen | | | 2166 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | Happy New Year Open | New York, New York | USA | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2028 | 0.50 | 3 | -0.54 | 15 | -8.10 | |
| | Fleischman, Eric J | | | 2097 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | West, James R | | | 2193 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Chernin, Oliver | | | 2134 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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) | | |
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