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Individual Calculations July 2023 |
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| Nandhakumar, Vaseegaran Total change: 61.50 | |   |
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| 32nd annual Chicago Open - Open Section | Wheeling, IL | USA | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2009 | 4.50 | 9 | 1.68 | 25 | 42.00 | |
|  Wang, Kevin | m | | 2410 | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Altucher, James | | | 1812 | USA | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Shlyakhtenko, Robert | m | | 2427 | USA | 0.50 | 1 | 0.43 | 25 | 10.75 | | | Samsonkin, Artiom | m | | 2420 | CAN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Pikus, Matthew Kent | | | 1609 * | USA | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Atwell, Rose | | | 2108 | USA | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Harper, Ryan | f | | 2254 | TTO | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Zhang, Yuanchen | m | | 2306 | CAN | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Linares Napoles, Oleiny | | wg | 2236 | CUB | 0.50 | 1 | 0.29 | 25 | 7.25 | | | * 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 National Open | Las Vegas, NV | USA | 2023-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2026 | 4.50 | 9 | 0.65 | 25 | 16.25 | |
| | Wang, Justin | m | | 2484 | USA | 0.00 | 1 | -0.05 | 25 | -1.25 | | | Anderson, Michael G | | | 1780 | USA | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Wu, Rochelle | f | wg | 2306 | USA | 1.00 | 1 | 0.84 | 25 | 21.00 | | | Lin, Andy | f | | 2312 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Zhou, Jianchao | g | | 2546 | CHN | 0.00 | 1 | -0.03 | 25 | -0.75 | | | Gopalakrishnan, Kritin | | | 1808 | USA | 0.50 | 1 | -0.28 | 25 | -7.00 | | | Heller, Jack | | | 1800 | USA | 1.00 | 1 | 0.21 | 25 | 5.25 | | | Lee, Megan | | wm | 2261 | USA | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Jasinski, Alexander | | | 1718 | USA | 1.00 | 1 | 0.14 | 25 | 3.50 | |
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) | | | | 16th annual Philadelphia International | Philadelphia, PA | USA | 2023-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 2026 | 4.00 | 9 | 0.13 | 25 | 3.25 | |
| | Bortnyk, Mykola | m | | 2427 | UKR | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Wang, Kevin | m | | 2409 | USA | 0.50 | 1 | 0.41 | 25 | 10.25 | | | Torres, Luis Carlos | m | | 2325 | MEX | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Diaz Villagran, Robert | f | | 2309 | CHI | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Andersen, Gunnar | | | 2283 | USA | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Singh, Siddharth | | | 1626 * | USA | 0.50 | 1 | -0.42 | 25 | -10.50 | | | Talwalkar, Vedant Ameya | | | 1809 | USA | 0.00 | 1 | -0.78 | 25 | -19.50 | | | Mottola, Max | | | 1858 | USA | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Aravindakshan, Sahana | | | 1792 | USA | 0.50 | 1 | -0.29 | 25 | -7.25 | | | * 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) | | |
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