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Individual Calculations September 2023 |
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| Fishbein, Alexander Total change: 15.20 | |   |
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| 2023 Sheridan WY Fide Open | SHERIDAN, WY | USA | 2023-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 2366 | 3.00 | 4 | 0.08 | 10 | 0.80 | |
|  Ackerman, Ryan | | | 1966 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Shtivelband, Richard | | | 2050 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Corrales, Fidel | g | | 2489 | USA | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Joelson, Dan | | | 2129 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | * 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) | | | | 2023 U.S. Senior Open Championship | Elmhurst, IL | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 2363 | 3.00 | 4 | 0.32 | 10 | 3.20 | |
| | Cohen, Lawrence S | | | 1963 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Resika, Nathan A | f | | 2069 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Kudrin, Sergey | g | | 2345 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Mitkov, Nikola | g | | 2447 | MKD | 0.50 | 1 | 0.12 | 10 | 1.20 | | | * 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) | | | | 2nd annual Nashville Summer Classic | Nashville, TN | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2363 | 4.00 | 5 | -0.18 | 10 | -1.80 | |
| | Sana, Mariano | | | 2039 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Ramirez Gonzalez, Mauricio | f | | 2129 | VEN | 0.50 | 1 | -0.29 | 10 | -2.90 | | | Melvin, Bill | | | 1963 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Horobetz, Graham | | | 2140 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Gardezi, Arsal | | | 2099 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | * 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) | | | | 10th Annual Washington International - Championship | Rockville, MD | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2342 | 2363 | 6.00 | 9 | 1.30 | 10 | 13.00 | |
| | Senft, Sean | | | 2146 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Chabris, Christopher F | c | | 2051 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Corrales Jimenez, Fidel | g | | 2554 | USA | 1.00 | 1 | 0.75 | 10 | 7.50 | | | Budisavljevic, Luka | g | | 2495 | SRB | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Steingrimsson, Hedinn | g | | 2491 | ISL | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Paul, Justin | f | | 2262 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Tanenbaum, Zachary | c | | 2279 | USA | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Wang, Jason | m | | 2428 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Song, Edward | m | | 2373 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | |
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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