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Individual Calculations October 2021 |
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| Martinez, Isaac Total change: -20.20 | |   |
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| 2021 Las Vegas Open - Open | Las Vegas, Nevada | USA | 2021-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 2086 | 1.00 | 3 | -1.12 | 20 | -22.40 | |
|  Atwell, Rose | | | 1829 | USA | 0.00 | 1 | -0.82 | 20 | -16.40 | |  Logozar, Elijah | | | 1952 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Curcuru, John | | | 1998 | USA | 0.00 | 1 | -0.62 | 20 | -12.40 | |
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) | | | | 2021 SJCC Fall Championship | Milpitas, California | USA | 2021-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 2086 | 4.00 | 5 | 0.11 | 20 | 2.20 | |
| | Guo, Ethan | | | 1686 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yan, Nathan | | | 1686 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bansal, Advay | | | 1686 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chubakov, Sultan | | | 1919 | KGZ | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Yan, Ruiyang | | wc | 2152 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | * 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) | | |
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