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Individual Calculations September 2023 |
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| Calvert, Sam Total change: 32.00 | |   |
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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 |
| 1257 | 1468 | 2.00 | 2 | 0.54 | 40 | 21.60 | |
|  Toczyski, David | | | 1433 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Raahemifar, Keyan | | | 1080 | USA | 1.00 | 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 |
| 1287 | 1468 | 1.00 | 1 | 0.26 | 40 | 10.40 | |
| | Hilliard, Michael | | | 1287 | USA | 1.00 | 1 | 0.26 | 40 | 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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