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Individual Calculations September 2009 |
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| Mabe, Chris J Total change: 8.40 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2214 | 3.00 | 7 | -1.12 | 15 | -16.80 | |
|  Stancil, Kimani A | | | 2116 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Battaglini, Gabriel | | | 2325 | FRA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Rosenberg, Evan S | | | 2155 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Gutman, Joshua | | | 2138 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Jayakumar, Adarsh | | | 1917 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Wang, Eigen | | | 2157 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Wall, Brian D | | | 2193 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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) | | | | 36th LPO | Winston-Salem, North Carolina | USA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2214 | 4.00 | 5 | 1.68 | 15 | 25.20 | |
| | Timmel, John | | | 2040 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Adu, Oladapo Olutola | m | | 2276 | NGR | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Burnett, Ronald | m | | 2368 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Rouleau, John | | | 2268 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Barnett, Alexander | | | 2236 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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