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Individual Calculations September 2022 |
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| Wang, Alexander J Total change: 26.00 | |   |
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| 12th Annual Barber National Tournament of Middle School State Champions | Rancho Mirage, California | USA | 2022-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1789 | 2.00 | 4 | 0.18 | 40 | 7.20 | |
|  Bruni, Xavier | | | 1455 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Ngo, Bach | f | | 2298 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Hardaway, Brewington | c | | 2176 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Chan, Ethan | | | 1536 | USA | 1.00 | 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) | | | | 2022 NAYCC U12 Open | Calgary | CAN | 2022-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1789 | 6.50 | 9 | 0.47 | 40 | 18.80 | |
| | Velasquez, Noah | | | 1389 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Suarez, Sebastian | | | 1529 | USA | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Ming, Jerry | | | 1604 | CAN | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Ivanescu, Matthew | | | 1513 | CAN | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Golsefidy, Sepehr | | | 1797 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Venkatesh, Narayan | | | 1743 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Xu, Gordon | | | 1596 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Willy, Stephen | | | 1945 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Zhu, Ryan | | | 1697 | USA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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