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Individual Calculations July 2009 |
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| Pirola, Marcos Total change: 10.00 | |   |
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| XL Abierto de Mar del Plata | Mar del Plata, Buenos Aires | ARG | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2040 | 2.00 | 3 | 0.40 | 25 | 10.00 | |
|  Contin, Daniel | m | | 2321 | ITA | 0.00 | 1 | -0.16 | 25 | -4.00 | |  Lidovsky, Sergio Gabriel | | | 1912 | ARG | 1.00 | 1 | 0.33 | 25 | 8.25 | | | Mazzochi, Facundo | | | 1829 | ARG | 1.00 | 1 | 0.23 | 25 | 5.75 | |
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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