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Individual Calculations September 2012 |
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| Porta Campos, Nicolas Total change: 0.15 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 12 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1819 | 5.00 | 8 | 0.01 | 15 | 0.15 | |
|  Francia Arzapalo, Piero Hernando | | | 1429 | PER | 1.00 | 1 | 0.09 | 15 | 1.35 | |  Rengifo Blancas, Renzo Jhonathan | | | 1657 | PER | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Mendoza Criollo, Carlos David | | | 1649 | ECU | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Diaz Contreras, Pedro | | | 1780 | CHI | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Bellido, Facundo | | | 1786 | ARG | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Donoso Diaz, Sebastian | | | 1687 | CHI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Cadilhac, Igor Tokuichi Kikuchi | | | 1799 | BRA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Chiang, Jonathan | | | 1935 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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