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Individual Calculations October 2021 |
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| Perkins, Michael J Total change: 113.60 | |   |
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| 87th Annual Southwest Open - Open | Irving, Texas | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1636 | 3.50 | 6 | 2.22 | 40 | 88.80 | |
|  Mohammadi, Sina | | | 1851 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Liu, Eric Chang | | | 2000 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Gardezi, Arsal | | | 1838 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Gundam, Rohit | | | 1921 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Preotu, Razvan | g | | 2036 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rajaram, Rudransh | | | 1657 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | * 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 Texas Fall Open | Westlake, Texas | USA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1636 | 2.00 | 5 | 0.62 | 40 | 24.80 | |
| | Adewumi, Tanitoluwa | | | 2020 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Gupta, Sara Sachin | | | 1464 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Nandhakumar, Vaseegaran | | | 1757 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Wu, Sibo | | | 2036 * | CHN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Taylor Jr, Stewart | | | 1947 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * 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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