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Individual Calculations September 2021 |
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| Penagalapati, Abhi Total change: 88.40 | |   |
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| Mechanics Institute Tuesday Night Marathon July-August 2021 - Open | San Francisco, California | USA | 2021-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1896 | 2.50 | 4 | 0.54 | 40 | 21.60 | |
|  Guo, Andrew | | | 1678 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Winslow, Elliott | m | | 2152 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Acosta, Anthony | | | 1748 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Arun, Siddharth | | | 2055 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | 2021 Bernardo Smith Memorial - Open | San Francisco, California | USA | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1971 | 3.00 | 4 | 0.97 | 40 | 38.80 | |
| | Pullela, Sricharan | | | 1663 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Erdene, Baasansuren | f | | 2229 | MGL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Weng, Nicholas | | | 1763 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Bambou, Christophe | | | 2192 | FRA | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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) | | | | PNWCC FIDE Hybrid Match - PNWCC (USA) vs Bulgaria | Redmond, San Francisco (USA) and Plovdiv, Sofia (BUL) | USA | 2021-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 1971 | 1.50 | 4 | 0.70 | 40 | 28.00 | |
| | Boev, Viktor | | | 2242 | BUL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Boev, Viktor | | | 2242 | BUL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Kochiev, Ivan | | | 2180 | BUL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Kochiev, Ivan | | | 2180 | BUL | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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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