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Individual Calculations September 2023 |
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| Starr, Albert Total change: -16.40 | |   |
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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 |
| 1171 | 1403 | 0.00 | 1 | -0.79 | 20 | -15.80 | |
|  Arivoli, Aradhana | | | 1171 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | |
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 - 1200 to 1599 Round 4-7 | San Francisco, CA | USA | 2023-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1397 | 1403 | 1.50 | 3 | -0.03 | 20 | -0.60 | |
|  Morello, Nicholas | | | 1399 | USA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Brickhouse, Christian | | | 1383 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Clark, Drew | | | 1410 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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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