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Individual Calculations August 2021 |
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| Rowe, Duane Total change: -122.40 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2157 | 3.50 | 9 | -0.59 | 20 | -11.80 | |
|  Belous, Vladimir | g | | 2520 | RUS | 0.00 | 1 | -0.10 | 20 | -2.00 | |  De Fotis, Gary C | | | 1890 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Korley, Kassa | m | | 2441 | DEN | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Bartell, Thomas | m | | 2363 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Kumar, Nikhil | f | | 2305 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Johnson, Donald | | | 1966 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Wang, Tianqi | | | 2317 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Taylor, Stewart Bradley | | | 1939 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Lu, Jason | | | 2048 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2157 | 3.50 | 8 | -1.85 | 20 | -37.00 | |
| | Gareyev, Timur | g | | 2557 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Amburgy, Ryan | | | 2012 | USA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Heller, Garrett | | | 2004 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Pang, Brian | | | 1799 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Johnson, Donald | | | 1992 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Seshadri, Sridhar | | | 1757 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Xie, Bryan | c | | 2027 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Zhao, Erick | c | | 2037 | USA | 0.50 | 1 | -0.16 | 20 | -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) | | | | International Tournament "Paracin 2021" - OPEN A | Paracin | SRB | 2021-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2157 | 2.50 | 9 | -2.40 | 20 | -48.00 | |
| | Ahmadzada, Ahmad | m | | 2431 | AZE | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Miftari, Hedon | | | 2004 | MKD | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Milosevic, Milos | f | | 2396 | SRB | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Souhardo, Basak | | | 2364 | IND | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Khachatryan, Anna | | wf | 1966 | ARM | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Jordanov, Mihail | | | 2082 | MKD | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Bozilov, Dragan | | | 2056 | SRB | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Demir, Hilmi Mustafa | | | 1762 | TUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Petkovic, Jovan | | | 2016 | SRB | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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) | | | | IM Round Robin "Orbis-3 2021" | Paracin | SRB | 2021-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2157 | 2.00 | 9 | -1.28 | 20 | -25.60 | |
| | Hilwerda, Jonas | f | | 2209 | NED | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Alavi, Sayed Javad | m | | 2445 | IRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Mehmed, Elif | | wf | 2199 | BUL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Pavlov, Mark | | | 2195 | RUS | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Potpara, Nikola | | | 2370 | MNE | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Ilincic, Zlatko | g | | 2395 | SRB | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Sethuraman, Sandeep | | | 2038 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Brankovic, Dejan | m | | 2312 | SRB | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Sharma, Isha | | wm | 2213 | IND | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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) | | |
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