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Individual Calculations September 2009 |
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| Barros, Cristhian Total change: 3.25 | |   |
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| XX Panamericano Mar del Plata U12 Abs | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1879 | 2.00 | 6 | 0.13 | 25 | 3.25 | |
|  Ruiz C, Joshua D | c | | 2138 | COL | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Fernandez Perez, Jorge Andre | | | 1950 | PER | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Hernandez Amura, Gilberto | | | 1999 | ARG | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Castro, Jairo Antonio | | | 1989 | COL | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Pichot, Alan | f | | 2052 | ARG | 0.50 | 1 | 0.23 | 25 | 5.75 | | | Di Giannantonio, Nino | f | | 2003 | ARG | 0.00 | 1 | -0.33 | 25 | -8.25 | |
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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