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Individual Calculations September 2023 |
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| Revellon, Lucas Total change: -11.60 | |   |
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| 2023 Houston Chess Festival - Open | Houston, TX | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1709 | 0.00 | 3 | -1.53 | 20 | -30.60 | |
|  Melillo, Lucius | | | 1998 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Prakash, Nandini | | | 1484 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Chandran, Harish | | | 1643 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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) | | | | Houston Summer Championship 2023 | Houston, TX | USA | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1709 | 2.50 | 3 | 0.95 | 20 | 19.00 | |
| | Gu, Samuel | | | 1518 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Qin, Kevin | | | 1920 | CAN | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Zhang, Sunny | | | 1659 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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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