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Individual Calculations September 2023 |
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| Raahemifar, Keyan Total change: 13.20 | |   |
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| WIM Ruth Haring Memorial Tuesday Night Marathon - 1200 to 1599 Round 1-3 | San Francisco, CA | USA | 2023-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1378 | 1080 | 0.50 | 2 | 0.18 | 40 | 7.20 | |
|  Hilliard, Michael | | | 1287 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Calvert, Sam | | | 1468 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | WIM Ruth Haring Memorial Tuesday Night Marathon - 1200 to 1599 Round 4-7 | San Francisco, CA | USA | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1080 | 1.00 | 3 | 0.15 | 40 | 6.00 | |
| | Le, Thu | | | 1159 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Toczyski, David | | | 1433 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Olson, David | | | 1188 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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) | | |
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