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Individual Calculations September 2023 |
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| Toczyski, David Total change: -41.20 | |   |
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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 |
| 1531 | 1433 | 1.00 | 2 | 0.26 | 40 | 10.40 | |
|  Calvert, Sam | | | 1468 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Reed, Paul | | | 1594 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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) | | | | 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 |
| 1207 | 1433 | 1.00 | 3 | -1.29 | 40 | -51.60 | |
| | Raahemifar, Keyan | | | 1080 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Le, Thu | | | 1159 | USA | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Brickhouse, Christian | | | 1383 | USA | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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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