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Individual Calculations January 2010 |
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| He, Tommy O Total change: 31.65 | |   |
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| Dallas Open | Richardson, Texas | USA | 2009-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 1794 | 1.00 | 3 | 0.12 | 15 | 1.80 | |
|  Pamatmat, Jordan J | | | 1726 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Bryant, John D | f | | 2194 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Pamatmat, J Rod | | | 2029 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | * 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) | | | | World Youth Chess Championships-u10 | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1794 | 1.00 | 4 | -0.04 | 15 | -0.60 | |
| | Karthikeyan, Murali | | | 1969 | IND | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Galimov, Ildus | | | 2088 | RUS | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Hristov, Nikolay Valeriev | | | 1867 | BUL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Shtembuliak, Evgeny | | | 2017 | UKR | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | 9th Annual Ken Smith Memorial Open | Fort Worth, Texas | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1794 | 3.50 | 5 | 2.03 | 15 | 30.45 | |
| | Nonchev, Kalin K | | | 2165 | USA | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Jayakumar, Adarsh | | | 2071 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Green, Austen J | | | 2076 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Xiong, Jeffery | | | 1818 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Lin, Dachey | | | 1742 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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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