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Individual Calculations April 2023 |
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| Jacobson, Aaron Total change: -28.40 | |   |
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| 30th annual Western Class Championships - Master | Irvine, CA | USA | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2308 | 0.50 | 2 | -1.32 | 20 | -26.40 | |
|  Golsefidy, Sepehr | | | 1908 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Biyiasas, Theodore Alexander | | | 1939 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | | | * 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 Saint Louis Super Swiss | Saint Louis, Missouri | USA | 2023-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2308 | 3.00 | 7 | -0.30 | 20 | -6.00 | |
| | Bruzon Batista, Lazaro | g | | 2610 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Lee, Linden | | | 2197 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Durarbayli, Vasif | g | | 2635 | AZE | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Zhurbinsky, David | c | | 2045 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Malicka, Maria | f | wc | 2255 | POL | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Lee, Alice | f | wm | 2362 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Antova, Gabriela | f | wm | 2266 | BUL | 0.50 | 1 | -0.06 | 20 | -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) | | | | 1000GM LA Spring Splash - Masters | Los Angeles, CA | USA | 2023-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2308 | 5.50 | 9 | 0.20 | 20 | 4.00 | |
| | Burke, John Michael | g | | 2568 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Mou, Iris | | wf | 2046 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Katz, Alexander | m | | 2470 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Doknjas, Neil | | | 2052 | CAN | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Chiang, Jacob | | | 2042 | USA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Wang, Isaac | | | 2038 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Bick, Gabriel James | m | | 2391 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Yanayt, Eugene | f | | 2014 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Woodward, Andy Austin | m | | 2450 | USA | 1.00 | 1 | 0.69 | 20 | 13.80 | |
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) | | |
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