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Individual Calculations October 2021 |
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| Yao, Hanchi Total change: 9.20 | |   |
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| BayAreaChess 45th People's Tournament - B | Santa Clara, California | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1358 | 1567 | 0.50 | 2 | -0.98 | 40 | -39.20 | |
|  Hayes, Sean | | | 1505 | USA | 0.50 | 1 | -0.09 | 40 | -3.60 | |  Guo, Ella | | | 1210 | USA | 0.00 | 1 | -0.89 | 40 | -35.60 | |
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) | | | | 2021 Howard Donnelly Memorial Championship - Under 2000 | San Francisco, California | USA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1567 | 3.00 | 4 | 1.21 | 40 | 48.40 | |
| | Uzakbaev, Nursultan | | | 1530 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Porlares, Teodoro | | | 1800 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Dara, Anish | | | 1340 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Alazawi, Samir | | | 1772 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | |
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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