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Individual Calculations September 2011 |
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| Jones, Craig W Total change: -40.95 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2244 | 2.50 | 6 | -1.49 | 15 | -22.35 | |
|  Markovits, Alex | | | 2107 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Mo, Kevin | | | 2065 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | |  Hua, David A | | | 2040 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Adu, Oladapo O | m | | 2295 | NGR | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Kudryavtsev, Vadim | | | 2104 | RUS | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Chiang, Michael | | | 2092 | USA | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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) | | | | 38th Lipkin/ Pfefferkorn Open | Greensboro, North Carolina | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2245 | 0.50 | 3 | -1.24 | 15 | -18.60 | |
| | Battaglini, Gabrie | m | | 2407 | FRA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Timmel, John | | | 2037 | USA | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Myers, Dominique | | | 2109 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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