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Individual Calculations September 2011 |
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| Ardaman, Miles F Total change: -30.00 | |   |
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| 8th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2011-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2301 | 4.00 | 8 | -0.87 | 10 | -8.70 | |
|  Nieto, Guillermo L | | | 1901 * | COL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Gerzhoy, Leonid | m | | 2496 | CAN | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Altschuler, Jason | | | 2037 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Ly, Moulthun | f | | 2375 | AUS | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Katz, Benjamin | | | 2104 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Rasch, Holger | f | | 2287 | GER | 0.00 | 1 | -0.52 | 10 | -5.20 | | | Ikeda, Junta | f | | 2315 | AUS | 0.00 | 1 | -0.48 | 10 | -4.80 | | | Heinis, Vincent | | | 2124 | FRA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2214 | 2301 | 2.50 | 6 | -1.21 | 10 | -12.10 | |
| | Sena, Juan | | | 2155 | DOM | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Dahl, Matthew D | | | 2133 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Perez, Robert M | | | 2239 | USA | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Adu, Oladapo O | m | | 2295 | NGR | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Fikiet, Alex M | | | 2233 | USA | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Pressman, Leif A | | | 2230 | USA | 0.00 | 1 | -0.60 | 10 | -6.00 | |
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) | | | | 38th Lipkin/ Pfefferkorn Open | Greensboro, North Carolina | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2301 | 1.50 | 4 | -0.92 | 10 | -9.20 | |
| | Adu, Oladapo Oluto | m | | 2276 | NGR | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Larkins, Larry R | | | 2140 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Battaglini, Gabrie | m | | 2407 | FRA | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Timmel, John | | | 2037 | USA | 0.00 | 1 | -0.82 | 10 | -8.20 | |
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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