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Individual Calculations February 2019 |
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| Ampie, Mauro Total change: -30.20 | |   |
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| 2018 Pan-American Intercollegiate Team Championship | Burlingame, California | USA | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2318 | 2.50 | 5 | -0.16 | 20 | -3.20 | |
|  Berczes, David | g | | 2472 | HUN | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Bharat, Arjun | c | | 2159 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Yang, Darwin | g | | 2482 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Mao, Marcus | | | 1918 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Grabinsky, Aaron | | | 2350 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | * 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) | | | | Bay Area International | Burlingame, California | USA | 2019-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2318 | 4.50 | 9 | -0.93 | 20 | -18.60 | |
| | Swiercz, Dariusz | g | | 2649 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Talyansky, Seth | c | | 2201 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Ghazarian, Kirk | | | 2226 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Wu, Rochelle | | wc | 2154 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Free, Graham | | | 2015 | USA | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Mont-Reynaud, Jordy | | | 2241 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Eswaran, Ashritha | | wm | 2227 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Costello, Alexander | | | 2231 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Kaufman, Raymond | m | | 2252 | USA | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | Chicago Chess Center 2nd Jane Addams Memorial | Halsted, Illinois | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 2318 | 0.50 | 1 | -0.42 | 20 | -8.40 | |
| | Singh, Hersh | | | 1918 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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