Individual Calculations September 2023 |
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Boyd, Thomas E 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 |
1747 | 1427 | 1.00 | 4 | 0.28 | 20 | 5.60 | |
| Lehman, Clarence E | | | 1678 | USA | 1.00 | 1 | 0.81 | 20 | 16.20 | | Del Rosario, Frisco | | | 1708 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | Mazzarelli, Ariel Diego | | | 2075 | USA | 0.00 | 1 | -0.01 | 20 | -0.20 | | Vale Cruz, Armin | | | 1526 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | | 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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