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Individual Calculations September 2011 |
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| Pietras, Jon Total change: 0.00 | |   |
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| III Torneo Internacional de San Jose | San Jose | CRC | 2011-06-14 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2024 | 0 | 1.00 | 5 | 0.00 | 1784 | | 0.00 | |
|  Montenegro, Pedro | | | 2088 | CRC | 0.00 | 1 | 0.00 | | 0.00 | |  Brenes, Juan Carlos | | | 1953 | CRC | 0.00 | 1 | 0.00 | | 0.00 | | | Alvarado, Dizan Ernesto | | | 1992 | CRC | 1.00 | 1 | 0.00 | | 0.00 | | | Solano, Agustin | | | 2031 | CRC | 0.00 | 1 | 0.00 | | 0.00 | | | Castillo Trujillo, Ivan | | | 2057 | CRC | 0.00 | 1 | 0.00 | | 0.00 | |
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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