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Individual Calculations January 2019 |
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| Korley, Kassa Total change: -4.40 | |   |
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| 102nd Edward Lasker Memorial and MCC Championship | New York, New York | USA | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2332 | 2453 | 2.00 | 3 | 0.09 | 10 | 0.90 | |
|  Zhang, Alan | | | 2112 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Tsay, Vincent | f | | 2342 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Burke, John | g | | 2542 | USA | 0.00 | 1 | -0.38 | 10 | -3.80 | |
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) | | | | 1st Manhattan International Chess Open | New York, New York | USA | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2454 | 3.00 | 5 | -0.53 | 10 | -5.30 | |
| | Forney, Robert | | | 2054 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Corrales Jimenez, Fidel | g | | 2550 | USA | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Morris-Suzuki, Sophie | | | 2054 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Zeltsan, Joseph | | | 2166 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Romanenko, Vladimir | g | | 2471 | BLR | 0.00 | 1 | -0.48 | 10 | -4.80 | | | * 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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