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Individual Calculations February 2023 |
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| Williams, Oscar Total change: 128.40 | |   |
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| 8th Annual Gulf Coast New Year's Open | Estero, Florida | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 1542 | 3.00 | 5 | 2.79 | 40 | 111.60 | |
|  Hamley, Ryan | | | 2080 | USA | 0.50 | 1 | 0.47 | 40 | 18.80 | |  Burrus, Tony | | | 1882 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Kaufman, Ray | m | | 2156 | CAN | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Zlotnikov, Mikhail | m | | 2138 | USA | 1.00 | 1 | 0.98 | 40 | 39.20 | | | Arencibia, Antonio | c | | 2134 | USA | 0.50 | 1 | 0.48 | 40 | 19.20 | |
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) | | | | CFCC 2023 Winter Open & Scholastic - Master & Expert | Orlando, FL | USA | 2023-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1542 | 1.00 | 3 | 0.42 | 40 | 16.80 | |
| | Moore, Nick | | | 2103 | USA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Yang, Maxwell | | | 1729 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Cole, Christopher | | | 1692 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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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