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Individual Calculations September 2023 |
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| Petukhov, Arthur Total change: 18.00 | |   |
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| 2023 Houston Chess Festival - Open | Houston, TX | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1452 | 2.00 | 4 | 1.50 | 40 | 60.00 | |
|  Singh, Siddharth | | | 1692 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Zhang, Andrew H | | | 1876 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Raju, Yakshwag Reddy | | | 1755 | USA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Yang, Benjamin | | | 1837 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | Houston Summer Championship 2023 | Houston, TX | USA | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1452 | 0.50 | 5 | -1.05 | 40 | -42.00 | |
| | Wang, Kyle Yiwen | | | 1891 | USA | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Wilder, Greg | | | 1498 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Widener, Andrew | | | 1951 | USA | 0.50 | 1 | 0.46 | 40 | 18.40 | | | Maddipati, Srihas | | | 1467 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Zhang, Alicia | | | 1434 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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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