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Individual Calculations September 2023 |
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| Tomas, Ante Total change: -166.40 | |   |
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| 2023 David King Memorial Challenger 2 | Arcadia, CA | USA | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 2166 | 2.00 | 4 | -1.40 | 20 | -28.00 | |
|  Shi, Roger V | | | 1950 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | |  Shi, Roger V | | | 1950 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Yuan, Serena | | | 1772 | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Yuan, Serena | | | 1772 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |
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 4 | Arcadia, CA | USA | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1776 | 2133 | 3.50 | 6 | -1.86 | 20 | -37.20 | |
| | Tang, Benjamin Benchen | | | 1727 | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Tang, Benjamin Benchen | | | 1727 | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Yang, Maxwell Z | | | 1829 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Yang, Maxwell Z | | | 1829 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Yuan, Serena | | | 1772 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Yuan, Serena | | | 1772 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | |
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 7 | Arcadia, CA | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 2133 | 5.00 | 6 | -0.18 | 20 | -3.60 | |
| | Yang, Andersen | | | 1838 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Yang, Andersen | | | 1838 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Yang, Maxwell Z | | | 1829 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Yang, Maxwell Z | | | 1829 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Wang, Andrew | | | 1789 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Wang, Andrew | | | 1789 | USA | 1.00 | 1 | 0.12 | 20 | 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 10 | Arcadia, CA | USA | 2023-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 2133 | 2.00 | 6 | -3.02 | 20 | -60.40 | |
| | Sun, Kevin | | | 1809 | USA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Sun, Kevin | | | 1809 | USA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Wang, Andrew | | | 1789 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Wang, Andrew | | | 1789 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Hsiao, Ethan | | | 1935 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Hsiao, Ethan | | | 1935 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | 2023 David King Memorial Challenger 13 | Arcadia, CA | USA | 2023-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 2133 | 1.50 | 4 | -1.86 | 20 | -37.20 | |
| | Tang, Benjamin Benchen | | | 1727 | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Tang, Benjamin Benchen | | | 1727 | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Hsiao, Ethan | | | 1935 | USA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Hsiao, Ethan | | | 1935 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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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