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Individual Calculations September 2011 |
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| Blackman, Justin Total change: 1.05 | |   |
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| CAMPEONATO PANAMERICANO U-20 ABSOLUTO | Duran | ECU | 2011-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2152 | 4.50 | 9 | -0.60 | 15 | -9.00 | |
|  Bone, Jhonny | | | 1905 | ECU | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Ortiz Ortiz, Francisco | | | 1752 * | ECU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Barbosa, Evandro Amorim | f | | 2343 | BRA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Espinoza Palomino, Willyam | f | | 2295 | PER | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Principe, Alexander | f | | 2075 | PER | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Barros Rivadeneira, Cristhian | | | 2049 | ECU | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Krysa, Leandro | f | | 2357 | ARG | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Cuellar, Diego | f | | 2125 | PER | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Leon Magallanes, Isaac | | | 1928 | ECU | 0.00 | 1 | -0.78 | 15 | -11.70 | | | * 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) | | | | 2011 FIDE Continental America's Amateur Chess Championship | Rosemont, Illinois | USA | 2011-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 2152 | 3.00 | 3 | 0.67 | 15 | 10.05 | |
| | Nieto, Manuel Vale | | | 1847 | COL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Britt, Jeff | | | 1909 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Jaramillo, Eduardo Alonso | | | 2029 | VEN | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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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