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Individual Calculations April 2009 |
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| Langer, Michael Total change: -4.50 | |   |
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| 2008 Pan American Class Championships | Fort Worth, Texas | USA | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 2269 | 2.50 | 4 | -0.58 | 15 | -8.70 | |
|  Pamatmat, Jarod | | | 1955 | USA | 0.00 | 1 | -0.86 | 15 | -12.90 | |  Powell, Grant | | | 1919 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Chua, Alexander | | | 2249 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Green, Austen | | | 2025 | USA | 0.50 | 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) | | | | JG's Old-Fashioned Hamburgers Texas Masters | Richardson, Texas | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2264 | 3.00 | 5 | -0.13 | 15 | -1.95 | |
| | Chiang, Sarah | | wc | 1914 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Stopa, Jacek | m | | 2470 | POL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Jamison, Courtney | | | 2004 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Chiang, Jonathan | | | 1914 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Bercys, Salvijus | m | | 2422 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | 2009 Stillwater Winter FIDE Open | Stillwater, Oklahoma | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2264 | 4.50 | 6 | 0.41 | 15 | 6.15 | |
| | Kline, Les | | | 1927 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Zelnick, David E | | | 2013 | USA | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Wright, Terry | | | 1997 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Cao, Kevin | | | 1924 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Yermolinsky, Alex | g | | 2518 | USA | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Holt, Conrad | | | 2254 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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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