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Individual Calculations September 2023 |
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| Chin, Zee Total change: 111.96 | |   |
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| 1000GM Summer Championship - 1800-2099 | Sunnyvale, CA | USA | 2023-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1444 | 4.50 | 7 | 1.64 | 36 | 59.04 | |
|  Perlov, Daniel Rob | | | 1578 | USA | 1.00 | 1 | 0.68 | 36 | 24.48 | |  Sethuraman, Anand | | | 1513 | USA | 0.50 | 1 | 0.10 | 36 | 3.60 | | | Ho, Michael S | | | 1538 | USA | 0.50 | 1 | 0.13 | 36 | 4.68 | | | Posadas, Rayelynn | | | 1661 | ENG | 1.00 | 1 | 0.78 | 36 | 28.08 | | | Zheng, Yiyang | | | 1463 | USA | 0.00 | 1 | -0.47 | 36 | -16.92 | | | Penagalapati, Anvi | | | 1402 | USA | 1.00 | 1 | 0.44 | 36 | 15.84 | | | Xiao, Michael | | | 1430 | USA | 0.50 | 1 | -0.02 | 36 | -0.72 | |
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 10 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1565 | 1444 | 5.00 | 8 | 1.96 | 36 | 70.56 | |
| | Ling, Chenxuan | | | 1897 | USA | 1.00 | 1 | 0.94 | 36 | 33.84 | | | Shangin, Lev | | | 1796 | USA | 0.50 | 1 | 0.39 | 36 | 14.04 | | | Guo, Ethan | c | | 1951 | USA | 0.00 | 1 | -0.04 | 36 | -1.44 | | | Escalante Rossi, Eric Rafael | | | 1117 | PER | 1.00 | 1 | 0.13 | 36 | 4.68 | | | Cortes Medina, Fernando | | | 1645 | MEX | 0.00 | 1 | -0.24 | 36 | -8.64 | | | Navarro Barrios, Andres Daniel | | | 1090 | PAN | 1.00 | 1 | 0.11 | 36 | 3.96 | | | Lin, Michael | | | 1400 | USA | 1.00 | 1 | 0.44 | 36 | 15.84 | | | Xu, Owen | | | 1623 | USA | 0.50 | 1 | 0.23 | 36 | 8.28 | |
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) | | | | 1000GM 2023 August Bona FIDE Swiss - Open | Sunnyvale, CA | USA | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1444 | 0.00 | 4 | -0.49 | 36 | -17.64 | |
| | Yang, Vincent | | | 1845 | USA | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Bhaduri, Neil | | | 1815 | USA | 0.00 | 1 | -0.10 | 36 | -3.60 | | | Su, Alexander | | | 1727 | USA | 0.00 | 1 | -0.16 | 36 | -5.76 | | | Patil, Yashas | | | 1746 | USA | 0.00 | 1 | -0.15 | 36 | -5.40 | |
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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