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Individual Calculations December 2021 |
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| Velazquez, Kevin Total change: 45.60 | |   |
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| 30th Annual Kings Island Open - Major | Blue Ash, Ohio | USA | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 1994 | 3.50 | 5 | 1.82 | 20 | 36.40 | |
|  Talwalkar, Vedant Ameya | | | 1594 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Meekins, Kristopher C | | | 2137 | USA | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Posthuma, Joshua | f | | 2367 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Belous, Vladimir | g | | 2394 * | RUS | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Park, Evan | f | | 2168 | USA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | * 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) | | | | Lakeshore Chess November Quads - Quad 1 | Chicago, Illinois | USA | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1994 | 2.00 | 3 | 0.46 | 20 | 9.20 | |
| | Rothschild, Ben | | | 1894 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Hamilton, Mark | | | 1734 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Zherebukh, Yaroslav | g | | 2394 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | |
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