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Individual Calculations July 2023 |
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| Carey, Michael P Total change: 6.00 | |   |
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| 2023 Virginia Senior Open | Dulles, Virgina | USA | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1860 | 1.50 | 3 | 1.01 | 20 | 20.20 | |
|  Marcelino, William | | | 2053 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Dehmelt, Karl | f | | 2220 | USA | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Darmanovic, Srdjan | | | 2170 | MNE | 0.50 | 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) | | | | 17th annual Philadelphia Open - U2100 | Philadelphia, PA | USA | 2023-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1860 | 2.50 | 4 | -0.71 | 20 | -14.20 | |
| | Ladson, Preston | | | 1460 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Meyer-Chabris, Caleb | | | 1613 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Canzhou, He | | | 1773 | CHN | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Diao, Sujia | | | 1549 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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