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Individual Calculations June 2023 |
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| Hua, Charles Total change: -57.20 | |   |
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| 15th annual Open at Foxwoods - U2200 | Mashantucket, CT | USA | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1986 | 4.00 | 7 | -1.90 | 40 | -76.00 | |
|  Jiang, Mathew | | | 1567 | USA | 1.00 | 1 | 0.07 | 40 | 2.80 | |  Katsman, David | | | 1814 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Ho, Carter | | | 1799 | USA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Fernandez, Kenneth | | | 1734 | USA | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Jin, Jerry | | | 1659 | USA | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Stevens, Adam Benjamin | | | 1612 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Shangin, Lev | | | 1586 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | Marshall FIDE Monday April-May 2023 Rounds 1-2 | New York, NY | USA | 2023-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1986 | 2.00 | 2 | 0.50 | 40 | 20.00 | |
| | Barutcu, Baris | | | 1814 | TUR | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Zhu, Linxi | | | 1779 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | 68th Maryland Open - Under 2300 | Rockville, MD | USA | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1986 | 1.50 | 3 | -0.19 | 40 | -7.60 | |
| | Jing, Andrew | | | 1869 | USA | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Levine, Owen | | | 1765 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Darmanovic, Srdjan | | | 2180 | MNE | 0.50 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | Marshall FIDE Monday April-May 2023 Rounds 3-6 | New York, NY | USA | 2023-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 1986 | 1.00 | 2 | 0.16 | 40 | 6.40 | |
| | Herbst, Richard | | | 2134 | USA | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Rosenberg, Evan S | | | 1956 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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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