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Individual Calculations March 2019 |
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| Chiu, Isaac Total change: 6.00 | |   |
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| 2019 Chesapeake Open | Rockville, Maryland | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2113 | 3.50 | 7 | -0.35 | 40 | -14.00 | |
|  Tahmassebi, Bijan | | | 1979 | USA | 0.50 | 1 | -0.18 | 40 | -7.20 | |  Ling, Evan | | | 1983 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Sinha, Sahil | f | | 2215 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Collier, Philip | | | 1806 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Paul, Justin | f | | 2247 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Morefield, Jason | | | 2257 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Tan, Richard | | | 2010 | USA | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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) | | | | 2019 Baltimore Open | Linthicum Heights, Maryland | USA | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2109 | 2.00 | 3 | 0.50 | 40 | 20.00 | |
| | Luo, Ryan | | | 1954 | USA | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Altman, Joshua | c | | 1954 | ENG | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Erenburg, Sergey | g | | 2509 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | |
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