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Individual Calculations September 2023 |
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| Mrdja, Milan Total change: -12.80 | |   |
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| 2023 David King Memorial Challenger 3 | Arcadia, CA | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2172 | 2.00 | 2 | 0.36 | 10 | 3.60 | |
|  Zhou, Vanessa G | | | 1910 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Zhou, Vanessa G | | | 1910 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | |
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 |
| 1779 | 2145 | 4.50 | 6 | -0.89 | 10 | -8.90 | |
| | Yang, Maxwell Z | | | 1829 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Yang, Maxwell Z | | | 1829 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Yuan, Serena | | | 1772 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Yuan, Serena | | | 1772 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Tang, Benjamin Benchen | | | 1745 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tang, Benjamin Benchen | | | 1727 | USA | 0.50 | 1 | -0.43 | 10 | -4.30 | | | * 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) | | | | 2023 David King Memorial Challenger 6 | Arcadia, CA | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 2145 | 3.00 | 4 | -0.35 | 10 | -3.50 | |
| | Tang, Benjamin Benchen | | | 1745 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tang, Benjamin Benchen | | | 1727 | USA | 0.00 | 1 | -0.93 | 10 | -9.30 | | | Shi, Roger V | | | 1950 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Shi, Roger V | | | 1950 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | * 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) | | | | 2023 David King Memorial Challenger 8 | Arcadia, CA | USA | 2023-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 2145 | 3.00 | 4 | -0.40 | 10 | -4.00 | |
| | She, Byron | | | 1878 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | She, Byron | | | 1878 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Sun, Kevin | | | 1809 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | | | Sun, Kevin | | | 1809 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |
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 | 2145 | 4.50 | 6 | -0.58 | 10 | -5.80 | |
| | Wang, Andrew | | | 1789 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Wang, Andrew | | | 1789 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hsiao, Ethan | | | 1935 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Hsiao, Ethan | | | 1935 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Sun, Kevin | | | 1809 | USA | 0.00 | 1 | -0.88 | 10 | -8.80 | | | Sun, Kevin | | | 1809 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |
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 12 | Arcadia, CA | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 2145 | 4.00 | 4 | 0.58 | 10 | 5.80 | |
| | Yang, Adelynne | | | 1843 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Yang, Adelynne | | | 1843 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Yang, Andersen | | | 1838 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Yang, Andersen | | | 1838 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | |
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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