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Individual Calculations July 2021 |
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| Liu, Eric Chang Total change: 220.80 | |   |
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| 76th Annual Texas State and Amateur Championship | Fort Worth, Texas | USA | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1686 | 4.00 | 7 | 2.45 | 40 | 98.00 | |
|  Javakhadze, Zurabi | m | | 2086 * | GEO | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Loving, Jason | | | 2044 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Sanchez, Robert | | | 1941 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Kunka, Harshid | | | 1913 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Premkumar, Hiren | | | 1791 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Allen, Jonathan F | | | 1676 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Kishinevsky, Dimitry | | | 2053 | USA | 1.00 | 1 | 0.90 | 40 | 36.00 | | | * 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) | | | | 2021 National Open - Under 2300 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1688 | 4.00 | 7 | 3.07 | 40 | 122.80 | |
| | Silvestre, Christian | | | 1990 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Iinuma, Paul Yuu | | | 2084 | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Biyiasas, Theodore | | | 1960 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Levine, Joseph | | | 2073 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Fernandez, Nelson Wilfredo | | | 1927 | HON | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Mills, James A | | | 1976 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Sosa, Nestor R | c | | 2088 * | PAN | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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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