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Individual Calculations September 2023 |
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| Lamstein, Joshua Total change: -15.60 | |   |
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| WIM Ruth Haring Memorial Tuesday Night Marathon - 1600 to 1999 Round 1-3 | San Francisco, CA | USA | 2023-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1588 | 0.00 | 2 | -0.95 | 20 | -19.00 | |
|  Clemens, Kristian | | | 1768 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Gu, Chunhui | | | 1449 | USA | 0.00 | 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) | | | | WIM Ruth Haring Memorial Tuesday Night Marathon - 1600 to 1999 Round 4-7 | San Francisco, CA | USA | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1588 | 2.00 | 3 | 0.17 | 20 | 3.40 | |
| | Chan, John | | | 1491 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Krayushkin, Igor | | | 1456 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Dutter, Fredrick | | | 1574 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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