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Individual Calculations August 2022 |
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| Welsh, Vinh Total change: 131.60 | |   |
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| 5th Annual Queen City of the Prairie Open and Fort Worth Championship | Euless, Texas | USA | 2022-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1579 | 3.50 | 5 | 2.46 | 40 | 98.40 | |
|  Root, Alexey W | | wm | 1984 | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Fang, Elbert | | | 1676 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Haskin, Zachary | | | 1811 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Rose, Samuel E | | | 1774 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Tineo, Brian J | | | 1905 | DOM | 0.50 | 1 | 0.37 | 40 | 14.80 | |
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) | | | | 2022 Houston Chess Festival - Open | Houston, Texas, USA | USA | 2022-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1579 | 2.00 | 4 | 0.83 | 40 | 33.20 | |
| | Ivaschenko, Andrei | | | 1737 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Yan, Nathan | | | 1795 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Wang, Kyle Yiwen | | | 1691 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Chiu, Calvin K | | | 1724 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | |
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