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Individual Calculations September 2023 |
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| Huddleston, James Total change: 28.80 | |   |
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| 2023 Houston Chess Festival - U2000 | Houston, TX | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1629 | 3.00 | 3 | 0.86 | 20 | 17.20 | |
|  Zhang, Alicia S | | | 1434 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Ying, Albert | | | 1502 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Zhang, Oscar Yihang | | | 1459 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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) | | | | 2023 Las Vegas Open - U2100 | Las Vegas, NV | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1688 | 2.50 | 4 | 0.58 | 20 | 11.60 | |
| | Fan, Shengjie | | | 1603 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Taylor, Michael | | | 1794 | USA | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Cole, Christopher | | | 1619 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Silvestre, Alex Jampier | | | 1807 | MEX | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | |
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