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Individual Calculations February 2020 |
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| Zapata, Alonso Total change: -17.20 | |   |
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| 49th Annual Atlanta Open | Chamblee, Georgia | USA | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2434 | 2.00 | 3 | -0.64 | 10 | -6.40 | |
|  Jiang, Andrew | | | 2034 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Rutten, Alexander | | | 2034 * | NED | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Ghatti, Sanjay | m | | 2194 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | * 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) | | | | 2020 Charlotte Open | Charlotte, North Carolina | USA | 2020-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2290 | 2438 | 5.00 | 9 | -1.08 | 10 | -10.80 | |
| | Somalwar, Anaiy | | | 2146 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Kozelov, Roman | | | 2120 | UKR | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Jacobson, Brandon | m | | 2470 | USA | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Talukdar, Rohan | f | | 2343 | CAN | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Ali Marandi, Cemil Can | g | | 2546 | TUR | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Peng, Shunkai | f | | 2315 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Wheeler, Cameron | m | | 2383 | USA | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Rutten, Alexander | | | 2038 * | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Paul, Justin | f | | 2249 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | * 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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