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Individual Calculations September 2023 |
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| Katz, Stewart Total change: -5.60 | |   |
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| 2023 Calchess Senior Championship | Berkeley, Ca | USA | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1597 | 1.00 | 4 | -0.28 | 20 | -5.60 | |
|  Taylor, Timothy W | m | | 2103 | USA | 0.00 | 1 | -0.04 | 20 | -0.80 | |  Henderson, Se, Jr | | | 1489 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Oyunchimeg, Genden | | | 2029 | MGL | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Blodgett, Jay W | | | 1583 | USA | 0.00 | 1 | -0.52 | 20 | -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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