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Individual Calculations September 2009 |
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| Barreto, Gary Total change: -7.25 | |   |
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| XX Panamericano Mar del Plata U16 Abs | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1815 | 1.00 | 5 | -0.29 | 25 | -7.25 | |
|  Shvartsman, Andrew | | | 2083 | USA | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Latorre, Matias | | | 2032 | PAR | 0.50 | 1 | 0.28 | 25 | 7.00 | |  Quenallata, Luciano | | | 2157 | ARG | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Palma, Alvaro | | | 2169 | ECU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Tobosque Romero, Marco Antonio | | | 1687 | CHI | 0.50 | 1 | -0.17 | 25 | -4.25 | |
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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