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Individual Calculations August 2017 |
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| Trakru, Rohun Total change: -4.80 | |   |
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| Panamerican Youth Championship 2017 U-12 | San Jose | CRC | 2017-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1758 | 5.50 | 8 | -0.03 | 40 | -1.20 | |
|  Medina Turbay, Luis Fernando | c | | 1482 | VEN | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Singh, Hersh | | | 1624 | USA | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Nunez Okubo, Isao | c | | 1372 | CRC | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Loja Zambrano, Diego | | | 1525 | ECU | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Prestia, Paris | | | 1674 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Galaviz Medina, Sion Radam | c | | 1924 | MEX | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Thomas, David | c | | 1492 | JAM | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Alvarado Zamora, Albert | c | | 1683 | PER | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | | | 2017 North American Youth Chess Championship - U12 | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1758 | 1.50 | 4 | -0.09 | 40 | -3.60 | |
| | Lu, Maximillian | c | | 2067 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Doknjas, Neil | | | 1908 | CAN | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Tanaka, Tyler Tair | | | 1872 | CAN | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Tang, Andrew | c | | 1509 | USA | 0.00 | 1 | -0.81 | 40 | -32.40 | |
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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