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Individual Calculations September 2019 |
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| Jacobson, Aaron Total change: 3.00 | |   |
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| 8th Annual Washington International | Rockville, Maryland | USA | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2324 | 5.50 | 9 | 1.26 | 20 | 25.20 | |
|  Li, Eric Yuhan | c | | 2190 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Paragua, Mark | g | | 2503 | PHI | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Yanayt, Eugene | f | | 2274 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Burke, John Michael | g | | 2562 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Dukic, Zachary | | | 2275 | CAN | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Brodsky, David | m | | 2432 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Morrison, William | f | | 2282 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Chen, Richard | f | | 2291 | CAN | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Wang, Wesley | f | | 2328 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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) | | | | Chess Max Academy Summer GM Norm Invitational | New York, New York | USA | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2419 | 2337 | 3.00 | 9 | -0.51 | 20 | -10.20 | |
| | Paragua, Mark | g | | 2504 | PHI | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Romanenko, Vladimir | g | | 2478 | BLR | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Khamrakulov, Djurabek | g | | 2496 | UZB | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Hong, Andrew | m | | 2438 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Yoo, Christopher Woojin | m | | 2429 | USA | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Mishra, Abhimanyu | c | | 2304 | USA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Gauri, Shankar | f | | 2363 | IND | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Jacobson, Brandon | m | | 2456 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Der Manuelian, Haik | f | | 2303 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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 U.S. Masters Championship | Greensboro, North Carolina | USA | 2019-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2337 | 5.00 | 9 | -0.60 | 20 | -12.00 | |
| | Bruzon Batista, Lazaro | g | | 2643 | CUB | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Bryant, Todd | | | 2115 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Harris, Neal | | | 2098 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Chen, Alex | | | 2034 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Betaneli, Alex | f | | 2174 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Santarius, Erik | m | | 2407 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Rosenthal, Nicholas | | | 2120 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Bereolos, Peter | f | | 2178 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Chandran, Kapil | f | | 2402 | 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) | | |
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