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Individual Calculations September 2023 |
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| Krayushkin, Igor Total change: -3.20 | |   |
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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 |
| 1344 | 1456 | 0.50 | 1 | -0.15 | 40 | -6.00 | |
|  Ren, Jocelyn | | | 1344 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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) | | | | 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 |
| 1606 | 1456 | 1.00 | 3 | 0.07 | 40 | 2.80 | |
| | Sanguinetti, George | | | 1740 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Lamstein, Joshua | | | 1588 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Chan, John | | | 1491 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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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