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Individual Calculations September 2023 |
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| Antonov, Vladimir Total change: -63.40 | |   |
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| 2023 David King Memorial Challenger 1 | Arcadia, CA | USA | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 2160 | 2.50 | 4 | -0.68 | 10 | -6.80 | |
|  Guo, Yanfeng | | | 2018 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | |  Guo, Yanfeng | | | 2018 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Wang, Andrew | | | 1789 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Wang, Andrew | | | 1789 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | |
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) | | | | 2023 David King Memorial Challenger 4 | Arcadia, CA | USA | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1776 | 2138 | 3.50 | 6 | -1.86 | 10 | -18.60 | |
| | Yuan, Serena | | | 1772 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Yuan, Serena | | | 1772 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Tang, Benjamin Benchen | | | 1727 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tang, Benjamin Benchen | | | 1727 | USA | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Yang, Maxwell Z | | | 1829 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | | | Yang, Maxwell Z | | | 1829 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | |
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) | | | | 2023 David King Memorial Challenger 7 | Arcadia, CA | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 2138 | 3.50 | 6 | -1.70 | 10 | -17.00 | |
| | Yang, Maxwell Z | | | 1829 | USA | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Yang, Maxwell Z | | | 1829 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Wang, Andrew | | | 1789 | USA | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Wang, Andrew | | | 1789 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Yang, Andersen | | | 1838 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Yang, Andersen | | | 1838 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | |
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) | | | | 2023 David King Memorial Challenger 9 | Arcadia, CA | USA | 2023-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2138 | 3.00 | 4 | -0.12 | 10 | -1.20 | |
| | She, Byron | | | 1878 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | She, Byron | | | 1878 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Shi, Roger V | | | 1950 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Shi, Roger V | | | 1950 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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) | | | | 2023 David King Memorial Challenger 11 | Arcadia, CA | USA | 2023-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2138 | 2.50 | 4 | -0.62 | 10 | -6.20 | |
| | She, Byron | | | 1878 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | She, Byron | | | 1878 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Shi, Roger V | | | 1950 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Shi, Roger V | | | 1950 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | |
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) | | | | 2023 David King Memorial Challenger 13 | Arcadia, CA | USA | 2023-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 2138 | 2.00 | 4 | -1.36 | 10 | -13.60 | |
| | Hsiao, Ethan | | | 1935 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Hsiao, Ethan | | | 1935 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Tang, Benjamin Benchen | | | 1727 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tang, Benjamin Benchen | | | 1727 | USA | 0.00 | 1 | -0.92 | 10 | -9.20 | |
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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