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Individual Calculations February 2022 |
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| Gaciu, Vlad Jan Total change: 8.00 | |   |
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| 31st Annual North American Open - Open | Las Vegas, Nevada | USA | 2021-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1568 | 2.00 | 9 | 0.46 | 40 | 18.40 | |
|  Wu, Derek | | | 1968 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Wan, Caleb | | | 1968 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Castro, Natalia Patricia | | wm | 1968 * | COL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Kunka, Harshid | | | 1968 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bruha, Nicholas | | | 1914 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Merwin, Steven E | | | 1919 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Fajardo, David A | | | 1735 | HON | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Ren, Jesse | | | 1835 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Adam, Rafael | | | 1541 | CAN | 0.00 | 1 | -0.54 | 40 | -21.60 | | | * 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) | | | | 10th Annual Boston Chess Congress - Under 2100 | Boston, Massachusetts | USA | 2022-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1534 | 1.00 | 3 | -0.26 | 40 | -10.40 | |
| | Wang, Ryan | | | 1672 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Chen, Kevin | | | 1641 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Alencastre Miranda, Moises | | | 1464 | MEX | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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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