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Individual Calculations August 2019 |
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| Zong, Davis Total change: 158.01 | |   |
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| 13th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2019-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2058 | 3.00 | 7 | 1.23 | 23 | 28.29 | |
|  Tiglon, Bryce | m | | 2373 | USA | 0.00 | 1 | -0.14 | 23 | -3.22 | |  Betaneli, Alexander | f | | 2194 | USA | 0.50 | 1 | 0.18 | 23 | 4.14 | | | Narayanan, Samrug | c | | 2196 | USA | 1.00 | 1 | 0.69 | 23 | 15.87 | | | Plotkin, Victor | f | | 2297 | CAN | 0.50 | 1 | 0.30 | 23 | 6.90 | | | Wang, Wesley | f | | 2328 | USA | 0.50 | 1 | 0.33 | 23 | 7.59 | | | Kumar, Aravind | f | | 2242 | USA | 0.00 | 1 | -0.26 | 23 | -5.98 | | | Li, Eric | c | | 2155 | USA | 0.50 | 1 | 0.13 | 23 | 2.99 | |
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) | | | | 47th Annual World Open | Philadelphia, Pennsylvania | USA | 2019-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2058 | 4.50 | 9 | 1.89 | 23 | 43.47 | |
| | Bryant, John | m | | 2417 | USA | 0.00 | 1 | -0.10 | 23 | -2.30 | | | Bauer, Christian | g | | 2458 * | FRA | 0.00 | 1 | -0.08 | 23 | -1.84 | | | Atakay, Mustafa | | | 1876 | USA | 1.00 | 1 | 0.26 | 23 | 5.98 | | | Wu, Logan | | | 2198 | USA | 0.50 | 1 | 0.19 | 23 | 4.37 | | | Duong, Nha Thanh | m | | 2230 | CAN | 0.50 | 1 | 0.23 | 23 | 5.29 | | | Dominguez, Jose | m | | 2233 | DOM | 1.00 | 1 | 0.73 | 23 | 16.79 | | | Graif, William | | | 2218 | CAN | 0.50 | 1 | 0.21 | 23 | 4.83 | | | Flaquer, Luis | f | | 2175 | DOM | 1.00 | 1 | 0.66 | 23 | 15.18 | | | Yip, Carissa | f | wm | 2285 | USA | 0.00 | 1 | -0.21 | 23 | -4.83 | | | * 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) | | | | 12th New York International | New York, New York | USA | 2019-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2058 | 4.50 | 9 | 2.10 | 23 | 48.30 | |
| | Jacobson, Aaron | f | | 2324 | USA | 0.50 | 1 | 0.32 | 23 | 7.36 | | | Korley, Kassa | m | | 2437 | DEN | 0.00 | 1 | -0.09 | 23 | -2.07 | | | Balck, Eric | | | 2032 | USA | 0.50 | 1 | -0.04 | 23 | -0.92 | | | Dominguez, Jose | m | | 2233 | DOM | 1.00 | 1 | 0.73 | 23 | 16.79 | | | Maltese, Adam | | | 2222 | USA | 1.00 | 1 | 0.72 | 23 | 16.56 | | | Noboa, Kevin | f | | 2319 | ECU | 0.50 | 1 | 0.32 | 23 | 7.36 | | | Bonin, Jay | m | | 2284 | USA | 0.00 | 1 | -0.21 | 23 | -4.83 | | | Grasso, David | | | 2170 | USA | 0.50 | 1 | 0.15 | 23 | 3.45 | | | Fikiet, Alexander | | | 2210 | USA | 0.50 | 1 | 0.20 | 23 | 4.60 | |
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) | | | | 18th Annual Manhattan Open | New York, New York | USA | 2019-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2058 | 3.50 | 5 | 1.65 | 23 | 37.95 | |
| | Stancil, Kimani | | | 1967 | USA | 1.00 | 1 | 0.38 | 23 | 8.74 | | | Khomeriki, Nino | | wg | 2343 | GEO | 1.00 | 1 | 0.84 | 23 | 19.32 | | | Bonin, Jay | m | | 2284 | USA | 0.50 | 1 | 0.29 | 23 | 6.67 | | | Rohde, Michael | g | | 2332 | USA | 0.50 | 1 | 0.33 | 23 | 7.59 | | | Li, Max | | | 1919 | USA | 0.50 | 1 | -0.19 | 23 | -4.37 | |
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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