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Individual Calculations September 2023 |
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| Lu, Yiding Total change: 72.00 | |   |
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| Washington Open - Open | Redmond, WA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1901 | 3.00 | 5 | 0.20 | 36 | 7.20 | |
|  He, Samuel | | | 2156 | USA | 0.00 | 1 | -0.19 | 36 | -6.84 | |  Cheng, Edward | | | 1665 | USA | 1.00 | 1 | 0.20 | 36 | 7.20 | | | Wang, Leonardo | | | 1501 * | SGP | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Porter, Ryan | f | | 2184 | USA | 0.00 | 1 | -0.16 | 36 | -5.76 | | | Xing, Ashley | | | 1726 | USA | 1.00 | 1 | 0.27 | 36 | 9.72 | | | * 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) | | | | 13th Annual Barber National Tournament of Middle School State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1901 | 3.00 | 5 | 0.26 | 36 | 9.36 | |
| | Huang, Ayden | | | 1762 | USA | 1.00 | 1 | 0.31 | 36 | 11.16 | | | Wilson, Ronen | | | 2033 | USA | 0.00 | 1 | -0.32 | 36 | -11.52 | | | Bruni, Xavier | | | 1536 | USA | 1.00 | 1 | 0.10 | 36 | 3.60 | | | Shafer, Logan C | | | 1930 | USA | 1.00 | 1 | 0.54 | 36 | 19.44 | | | Su, Jasmine Zhixin | | | 1998 | USA | 0.00 | 1 | -0.37 | 36 | -13.32 | |
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 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1973 | 7.50 | 9 | 1.54 | 36 | 55.44 | |
| | Atiencia Merino, Jose Luis | | | 1573 * | ECU | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Cortes Franco, Adrian Ignacio | | | 1443 | PAN | 1.00 | 1 | 0.03 | 36 | 1.08 | | | Zhong, Ryan Yunhui | | | 1751 | CAN | 0.50 | 1 | -0.28 | 36 | -10.08 | | | Xiao, Michael | | | 1441 | USA | 1.00 | 1 | 0.03 | 36 | 1.08 | | | Sun, Ryan | c | | 2142 | USA | 0.00 | 1 | -0.28 | 36 | -10.08 | | | Diaz Guerrero, Jesus Daniel | | | 1747 | MEX | 1.00 | 1 | 0.21 | 36 | 7.56 | | | Yang, Maxwell | | | 1829 | USA | 1.00 | 1 | 0.31 | 36 | 11.16 | | | Liu, Aiden Q | | | 2339 | USA | 1.00 | 1 | 0.90 | 36 | 32.40 | | | Ho, Carter | | | 1999 | USA | 1.00 | 1 | 0.54 | 36 | 19.44 | | | * 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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