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Individual Calculations September 2023 |
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| Zhang, Ellery Total change: -2.40 | |   |
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| 2023 FIDE DFW Royale - Championship | Irving, TX | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1395 | 1.00 | 3 | 0.02 | 40 | 0.80 | |
|  Chen, Tianjun | | | 1724 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Li, Tommy | | | 1358 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Mazumdar, Shaurya | | | 1533 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 12 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1438 | 1388 | 2.50 | 6 | -0.08 | 40 | -3.20 | |
| | Sun, Sophia | | | 1494 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Fang, Arabella | | | 1535 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Ram, Jwalanthi | | | 1491 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Zhang, Michelle | | | 1430 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Zhuge, Katherine | | | 1481 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Chen, Rae | | | 1198 | CAN | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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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