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Individual Calculations September 2012 |
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| Chiang, Jonathan Total change: 55.50 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 12 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1742 | 1935 | 6.50 | 7 | 1.38 | 15 | 20.70 | |
|  Miranda, Roberto | | | 1569 | PER | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Diaz Contreras, Pedro | | | 1780 | CHI | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Tello Chavez, Isaac Valent | | | 1733 | MEX | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Mendoza Criollo, Carlos David | | | 1649 | ECU | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Pillai, Kadhir A | | | 1990 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Rengifo Blancas, Renzo Jhonathan | | | 1657 | PER | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Porta Campos, Nicolas | | | 1819 | ARG | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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) | | | | 2nd Metropolitan Chess FIDE International | Los Angeles, California | USA | 2012-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 1982 | 4.00 | 9 | 2.21 | 15 | 33.15 | |
| | Adamson, Robby | f | | 2324 | USA | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Amanov, Zhanibek | m | | 2380 | KAZ | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ondangan Jr, Ruben | | | 2100 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Liou, Yian | f | | 2350 | USA | 0.50 | 1 | 0.40 | 15 | 6.00 | | | Kavutskiy, Konstantin | f | | 2281 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Wang, Kevin | | | 2216 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Brown, Michael William | | | 2247 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Mousseri, Daniel Y | | | 2018 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Yanayt, Eugene | f | | 2266 | USA | 1.00 | 1 | 0.84 | 15 | 12.60 | |
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) | | | | 2012 DCC FIDE Open VI | Richardson, Texas | USA | 2012-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1982 | 2.50 | 4 | 0.11 | 15 | 1.65 | |
| | Kneen, John Michael | | | 1609 | RSA | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Xie, Tianming | | | 1819 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Yotov, Valentin | g | | 2382 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Malhotra, Akshay | | | 1840 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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