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Individual Calculations August 2023 |
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| Rea, Andrew B Total change: 14.40 | |   |
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| CFCC 2023 Sunshine Open & Scholastic - Master & Expert Section | Orlando, Florida | USA | 2023-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1917 | 1.50 | 3 | 0.02 | 20 | 0.40 | |
|  Sattaru, Sritej Sai | | | 1866 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | |  Bias, Aaron | | | 1908 | USA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Slade, Theodore Luke | | | 1992 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | 13th annual World Open Senior Amateur | Philadelphia, PA | USA | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1917 | 4.00 | 5 | 0.70 | 20 | 14.00 | |
| | Perry, Andrew Blair | | | 1517 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Conner, Stephen J | | | 1511 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Meredith, Matthew Derek | | | 1955 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Hill, Leroy | | | 1848 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Colding, Ernest P | | | 1985 | USA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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