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Individual Calculations July 2023 |
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| Briggs, James W Total change: 28.80 | |   |
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| 2023 National Open - Under 2100 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1191 | 1.00 | 4 | 0.72 | 40 | 28.80 | |
|  Christiansen, Natasha | | wc | 1568 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | |  Martin, Drew | | | 1754 | USA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Beltran, Omar | | | 1555 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Edwards, Gary | | | 1611 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | |
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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