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Individual Calculations February 2023 |
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| Guo, Ethan Total change: -80.19 | |   |
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| 32nd annual North American Open | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1892 | 3.50 | 9 | -0.25 | 33 | -8.25 | |
|  Tarjan, James Edward | g | | 2360 | USA | 0.00 | 1 | -0.05 | 33 | -1.65 | |  Seshadri, Sridhar | | | 1482 | USA | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Jin, Ashton | | | 2170 | USA | 0.00 | 1 | -0.17 | 33 | -5.61 | | | Welch, Mason Jeffery | | | 1592 | USA | 1.00 | 1 | 0.15 | 33 | 4.95 | | | Truelson, Joseph | | | 2074 | USA | 0.00 | 1 | -0.26 | 33 | -8.58 | | | Jin, Jerry | | | 1709 | USA | 1.00 | 1 | 0.26 | 33 | 8.58 | | | Qin, Vincent | | | 2034 | USA | 0.50 | 1 | 0.19 | 33 | 6.27 | | | Tolentino, Patrick Angelo | | | 2036 | CAN | 0.00 | 1 | -0.31 | 33 | -10.23 | | | Onyekwere, Chikwere Godwin | c | | 2196 | NGR | 0.00 | 1 | -0.14 | 33 | -4.62 | |
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 New Year Championship - MX | Milpitas, California | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1600 | 2000 | 1.00 | 1 | 0.08 | 33 | 2.64 | |
| | Xiao, Marina | | | 1600 * | USA | 1.00 | 1 | 0.08 | 33 | 2.64 | | | * 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) | | | | 14th annual Golden State Open - Major | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 2000 | 3.00 | 7 | -2.48 | 33 | -81.84 | |
| | Karthi, Jashith | | | 1696 | USA | 0.00 | 1 | -0.86 | 33 | -28.38 | | | Karunakaran, Kapilan | | | 1703 | USA | 0.50 | 1 | -0.35 | 33 | -11.55 | | | Bhatta, Rohit | | | 1748 | USA | 0.50 | 1 | -0.31 | 33 | -10.23 | | | Jasinski, Alexander | | | 1692 | USA | 1.00 | 1 | 0.14 | 33 | 4.62 | | | Suarez, Sebby | | | 1689 | USA | 1.00 | 1 | 0.14 | 33 | 4.62 | | | Liu, Patrick Peijun | | | 1998 | USA | 0.00 | 1 | -0.50 | 33 | -16.50 | | | Wu, Nathan Ping-Ying | | | 1814 | CAN | 0.00 | 1 | -0.74 | 33 | -24.42 | |
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) | | | | Bay Area Schevenigen Challengers - Group 2 | Milpitas, CA | USA | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2000 | 1.00 | 4 | 0.22 | 33 | 7.26 | |
| | Tello, Isaac | f | | 2296 | MEX | 0.50 | 1 | 0.35 | 33 | 11.55 | | | Campos, Augusto Cesar | m | | 2377 | CUB | 0.00 | 1 | -0.09 | 33 | -2.97 | | | Yu, Jiangwei | | | 2154 | CHN | 0.50 | 1 | 0.21 | 33 | 6.93 | | | Wang, Henry | | | 2196 | USA | 0.00 | 1 | -0.25 | 33 | -8.25 | |
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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